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Finding the Fourth Proportional to 50,921.92, 76,423.92 and 35,117.20

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Solution

The fourth proportional to 50,921.92, 76,423.92 and 35,117.20 is: 52,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.92 : 76,423.92 = 35,117.20 : x
  2. Step 2: Convert to fraction form
    50,921.92/76,423.92 = 35,117.20/x
  3. Step 3: Cross multiply
    50,921.92x = 76,423.92 × 35,117.20
  4. Step 4: Simplify right side
    50,921.92x = 2,683,794,083.42
  5. Step 5: Solve for x
    x = 2,683,794,083.42/50,921.92
  6. Step 6: Final answer
    x = 52,704.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.