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Finding the Fourth Proportional to 61,505.80, 92,280.30 and 26,456.20

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Solution

The fourth proportional to 61,505.80, 92,280.30 and 26,456.20 is: 39,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,505.80 : 92,280.30 = 26,456.20 : x
  2. Step 2: Convert to fraction form
    61,505.80/92,280.30 = 26,456.20/x
  3. Step 3: Cross multiply
    61,505.80x = 92,280.30 × 26,456.20
  4. Step 4: Simplify right side
    61,505.80x = 2,441,386,072.86
  5. Step 5: Solve for x
    x = 2,441,386,072.86/61,505.80
  6. Step 6: Final answer
    x = 39,693.59

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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.