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Finding the Fourth Proportional to 6,654,416.60, 9,981,624.90 and 2,393,047.10

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Solution

The fourth proportional to 6,654,416.60, 9,981,624.90 and 2,393,047.10 is: 3,589,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654,416.60 : 9,981,624.90 = 2,393,047.10 : x
  2. Step 2: Convert to fraction form
    6,654,416.60/9,981,624.90 = 2,393,047.10/x
  3. Step 3: Cross multiply
    6,654,416.60x = 9,981,624.90 × 2,393,047.10
  4. Step 4: Simplify right side
    6,654,416.60x = 23,886,498,520,232.79
  5. Step 5: Solve for x
    x = 23,886,498,520,232.79/6,654,416.60
  6. Step 6: Final answer
    x = 3,589,570.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.