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Finding the Fourth Proportional to 7,508.60, 11,262.90 and 2,313.80

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Solution

The fourth proportional to 7,508.60, 11,262.90 and 2,313.80 is: 3,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.60 : 11,262.90 = 2,313.80 : x
  2. Step 2: Convert to fraction form
    7,508.60/11,262.90 = 2,313.80/x
  3. Step 3: Cross multiply
    7,508.60x = 11,262.90 × 2,313.80
  4. Step 4: Simplify right side
    7,508.60x = 26,060,098.02
  5. Step 5: Solve for x
    x = 26,060,098.02/7,508.60
  6. Step 6: Final answer
    x = 3,470.70

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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.