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Finding the Fourth Proportional to 68,963.29, 95,163.45 and 38,746.24

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Solution

The fourth proportional to 68,963.29, 95,163.45 and 38,746.24 is: 53,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,963.29 : 95,163.45 = 38,746.24 : x
  2. Step 2: Convert to fraction form
    68,963.29/95,163.45 = 38,746.24/x
  3. Step 3: Cross multiply
    68,963.29x = 95,163.45 × 38,746.24
  4. Step 4: Simplify right side
    68,963.29x = 3,687,225,872.93
  5. Step 5: Solve for x
    x = 3,687,225,872.93/68,963.29
  6. Step 6: Final answer
    x = 53,466.50

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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.