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Finding the Fourth Proportional to 61,237.57, 84,505.11 and 34,379.59

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Solution

The fourth proportional to 61,237.57, 84,505.11 and 34,379.59 is: 47,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,237.57 : 84,505.11 = 34,379.59 : x
  2. Step 2: Convert to fraction form
    61,237.57/84,505.11 = 34,379.59/x
  3. Step 3: Cross multiply
    61,237.57x = 84,505.11 × 34,379.59
  4. Step 4: Simplify right side
    61,237.57x = 2,905,251,034.70
  5. Step 5: Solve for x
    x = 2,905,251,034.70/61,237.57
  6. Step 6: Final answer
    x = 47,442.30

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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.