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Finding the Fourth Proportional to 49,801.62, 68,718.20 and 29,657.88

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Solution

The fourth proportional to 49,801.62, 68,718.20 and 29,657.88 is: 40,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,801.62 : 68,718.20 = 29,657.88 : x
  2. Step 2: Convert to fraction form
    49,801.62/68,718.20 = 29,657.88/x
  3. Step 3: Cross multiply
    49,801.62x = 68,718.20 × 29,657.88
  4. Step 4: Simplify right side
    49,801.62x = 2,038,036,129.42
  5. Step 5: Solve for x
    x = 2,038,036,129.42/49,801.62
  6. Step 6: Final answer
    x = 40,923.09

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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.