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Finding the Fourth Proportional to 61,790.55, 92,663.90 and 26,711.07

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Solution

The fourth proportional to 61,790.55, 92,663.90 and 26,711.07 is: 40,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,790.55 : 92,663.90 = 26,711.07 : x
  2. Step 2: Convert to fraction form
    61,790.55/92,663.90 = 26,711.07/x
  3. Step 3: Cross multiply
    61,790.55x = 92,663.90 × 26,711.07
  4. Step 4: Simplify right side
    61,790.55x = 2,475,151,538.49
  5. Step 5: Solve for x
    x = 2,475,151,538.49/61,790.55
  6. Step 6: Final answer
    x = 40,057.12

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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.