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Finding the Fourth Proportional to 60,961.68, 84,150.36 and 39,746.16

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Solution

The fourth proportional to 60,961.68, 84,150.36 and 39,746.16 is: 54,864.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,961.68 : 84,150.36 = 39,746.16 : x
  2. Step 2: Convert to fraction form
    60,961.68/84,150.36 = 39,746.16/x
  3. Step 3: Cross multiply
    60,961.68x = 84,150.36 × 39,746.16
  4. Step 4: Simplify right side
    60,961.68x = 3,344,653,672.62
  5. Step 5: Solve for x
    x = 3,344,653,672.62/60,961.68
  6. Step 6: Final answer
    x = 54,864.85

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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.