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Finding the Fourth Proportional to 61,754.40, 92,627.96 and 38,066.49

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Solution

The fourth proportional to 61,754.40, 92,627.96 and 38,066.49 is: 57,097.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,754.40 : 92,627.96 = 38,066.49 : x
  2. Step 2: Convert to fraction form
    61,754.40/92,627.96 = 38,066.49/x
  3. Step 3: Cross multiply
    61,754.40x = 92,627.96 × 38,066.49
  4. Step 4: Simplify right side
    61,754.40x = 3,526,021,122.73
  5. Step 5: Solve for x
    x = 3,526,021,122.73/61,754.40
  6. Step 6: Final answer
    x = 57,097.49

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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.