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Finding the Fourth Proportional to 61,892.67, 85,425.93 and 39,262.89

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Solution

The fourth proportional to 61,892.67, 85,425.93 and 39,262.89 is: 54,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,892.67 : 85,425.93 = 39,262.89 : x
  2. Step 2: Convert to fraction form
    61,892.67/85,425.93 = 39,262.89/x
  3. Step 3: Cross multiply
    61,892.67x = 85,425.93 × 39,262.89
  4. Step 4: Simplify right side
    61,892.67x = 3,354,068,892.74
  5. Step 5: Solve for x
    x = 3,354,068,892.74/61,892.67
  6. Step 6: Final answer
    x = 54,191.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.