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Finding the Fourth Proportional to 27,470.60, 41,187.68 and 9,938.16

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Solution

The fourth proportional to 27,470.60, 41,187.68 and 9,938.16 is: 14,900.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,470.60 : 41,187.68 = 9,938.16 : x
  2. Step 2: Convert to fraction form
    27,470.60/41,187.68 = 9,938.16/x
  3. Step 3: Cross multiply
    27,470.60x = 41,187.68 × 9,938.16
  4. Step 4: Simplify right side
    27,470.60x = 409,329,753.87
  5. Step 5: Solve for x
    x = 409,329,753.87/27,470.60
  6. Step 6: Final answer
    x = 14,900.65

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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.