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Finding the Fourth Proportional to 68,924.52, 95,117.49 and 38,709.90

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Solution

The fourth proportional to 68,924.52, 95,117.49 and 38,709.90 is: 53,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,924.52 : 95,117.49 = 38,709.90 : x
  2. Step 2: Convert to fraction form
    68,924.52/95,117.49 = 38,709.90/x
  3. Step 3: Cross multiply
    68,924.52x = 95,117.49 × 38,709.90
  4. Step 4: Simplify right side
    68,924.52x = 3,681,988,526.15
  5. Step 5: Solve for x
    x = 3,681,988,526.15/68,924.52
  6. Step 6: Final answer
    x = 53,420.59

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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.