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Finding the Fourth Proportional to 56,737.80, 85,106.70 and 50,614.20

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Solution

The fourth proportional to 56,737.80, 85,106.70 and 50,614.20 is: 75,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.80 : 85,106.70 = 50,614.20 : x
  2. Step 2: Convert to fraction form
    56,737.80/85,106.70 = 50,614.20/x
  3. Step 3: Cross multiply
    56,737.80x = 85,106.70 × 50,614.20
  4. Step 4: Simplify right side
    56,737.80x = 4,307,607,535.14
  5. Step 5: Solve for x
    x = 4,307,607,535.14/56,737.80
  6. Step 6: Final answer
    x = 75,921.30

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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.