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Finding the Fourth Proportional to 61,477.57, 84,286.07 and 60,356.73

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Solution

The fourth proportional to 61,477.57, 84,286.07 and 60,356.73 is: 82,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,477.57 : 84,286.07 = 60,356.73 : x
  2. Step 2: Convert to fraction form
    61,477.57/84,286.07 = 60,356.73/x
  3. Step 3: Cross multiply
    61,477.57x = 84,286.07 × 60,356.73
  4. Step 4: Simplify right side
    61,477.57x = 5,087,231,569.75
  5. Step 5: Solve for x
    x = 5,087,231,569.75/61,477.57
  6. Step 6: Final answer
    x = 82,749.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.