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Finding the Fourth Proportional to 61,391.98, 84,715.03 and 37,542.75

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Solution

The fourth proportional to 61,391.98, 84,715.03 and 37,542.75 is: 51,805.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,391.98 : 84,715.03 = 37,542.75 : x
  2. Step 2: Convert to fraction form
    61,391.98/84,715.03 = 37,542.75/x
  3. Step 3: Cross multiply
    61,391.98x = 84,715.03 × 37,542.75
  4. Step 4: Simplify right side
    61,391.98x = 3,180,435,192.53
  5. Step 5: Solve for x
    x = 3,180,435,192.53/61,391.98
  6. Step 6: Final answer
    x = 51,805.39

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Half scale
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Double scale
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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.