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Finding the Fourth Proportional to 56,423.70, 77,873.01 and 32,545.71

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Solution

The fourth proportional to 56,423.70, 77,873.01 and 32,545.71 is: 44,917.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,423.70 : 77,873.01 = 32,545.71 : x
  2. Step 2: Convert to fraction form
    56,423.70/77,873.01 = 32,545.71/x
  3. Step 3: Cross multiply
    56,423.70x = 77,873.01 × 32,545.71
  4. Step 4: Simplify right side
    56,423.70x = 2,534,432,400.29
  5. Step 5: Solve for x
    x = 2,534,432,400.29/56,423.70
  6. Step 6: Final answer
    x = 44,917.87

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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.