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Finding the Fourth Proportional to 62,771.52, 86,603.85 and 37,285.68

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Solution

The fourth proportional to 62,771.52, 86,603.85 and 37,285.68 is: 51,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,771.52 : 86,603.85 = 37,285.68 : x
  2. Step 2: Convert to fraction form
    62,771.52/86,603.85 = 37,285.68/x
  3. Step 3: Cross multiply
    62,771.52x = 86,603.85 × 37,285.68
  4. Step 4: Simplify right side
    62,771.52x = 3,229,083,437.87
  5. Step 5: Solve for x
    x = 3,229,083,437.87/62,771.52
  6. Step 6: Final answer
    x = 51,441.86

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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.