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Finding the Fourth Proportional to 40,605.28, 60,938.70 and 17,248.12

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Solution

The fourth proportional to 40,605.28, 60,938.70 and 17,248.12 is: 25,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,605.28 : 60,938.70 = 17,248.12 : x
  2. Step 2: Convert to fraction form
    40,605.28/60,938.70 = 17,248.12/x
  3. Step 3: Cross multiply
    40,605.28x = 60,938.70 × 17,248.12
  4. Step 4: Simplify right side
    40,605.28x = 1,051,078,010.24
  5. Step 5: Solve for x
    x = 1,051,078,010.24/40,605.28
  6. Step 6: Final answer
    x = 25,885.25

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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.