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Finding the Fourth Proportional to 61,441.92, 84,794.28 and 34,587.12

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Solution

The fourth proportional to 61,441.92, 84,794.28 and 34,587.12 is: 47,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,441.92 : 84,794.28 = 34,587.12 : x
  2. Step 2: Convert to fraction form
    61,441.92/84,794.28 = 34,587.12/x
  3. Step 3: Cross multiply
    61,441.92x = 84,794.28 × 34,587.12
  4. Step 4: Simplify right side
    61,441.92x = 2,932,789,937.67
  5. Step 5: Solve for x
    x = 2,932,789,937.67/61,441.92
  6. Step 6: Final answer
    x = 47,732.72

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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.