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Finding the Fourth Proportional to 61,666.59, 92,505.95 and 25,635.61

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Solution

The fourth proportional to 61,666.59, 92,505.95 and 25,635.61 is: 38,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,666.59 : 92,505.95 = 25,635.61 : x
  2. Step 2: Convert to fraction form
    61,666.59/92,505.95 = 25,635.61/x
  3. Step 3: Cross multiply
    61,666.59x = 92,505.95 × 25,635.61
  4. Step 4: Simplify right side
    61,666.59x = 2,371,446,674.57
  5. Step 5: Solve for x
    x = 2,371,446,674.57/61,666.59
  6. Step 6: Final answer
    x = 38,455.94

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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.