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Finding the Fourth Proportional to 45,624.70, 68,424.90 and 14,034.70

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Solution

The fourth proportional to 45,624.70, 68,424.90 and 14,034.70 is: 21,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,624.70 : 68,424.90 = 14,034.70 : x
  2. Step 2: Convert to fraction form
    45,624.70/68,424.90 = 14,034.70/x
  3. Step 3: Cross multiply
    45,624.70x = 68,424.90 × 14,034.70
  4. Step 4: Simplify right side
    45,624.70x = 960,322,944.03
  5. Step 5: Solve for x
    x = 960,322,944.03/45,624.70
  6. Step 6: Final answer
    x = 21,048.31

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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.