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Finding the Fourth Proportional to 63,068.66, 86,944.30 and 49,616.55

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Solution

The fourth proportional to 63,068.66, 86,944.30 and 49,616.55 is: 68,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,068.66 : 86,944.30 = 49,616.55 : x
  2. Step 2: Convert to fraction form
    63,068.66/86,944.30 = 49,616.55/x
  3. Step 3: Cross multiply
    63,068.66x = 86,944.30 × 49,616.55
  4. Step 4: Simplify right side
    63,068.66x = 4,313,876,208.17
  5. Step 5: Solve for x
    x = 4,313,876,208.17/63,068.66
  6. Step 6: Final answer
    x = 68,399.68

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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.