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Finding the Fourth Proportional to 57,369.80, 85,981.68 and 32,423.76

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Solution

The fourth proportional to 57,369.80, 85,981.68 and 32,423.76 is: 48,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,369.80 : 85,981.68 = 32,423.76 : x
  2. Step 2: Convert to fraction form
    57,369.80/85,981.68 = 32,423.76/x
  3. Step 3: Cross multiply
    57,369.80x = 85,981.68 × 32,423.76
  4. Step 4: Simplify right side
    57,369.80x = 2,787,849,356.72
  5. Step 5: Solve for x
    x = 2,787,849,356.72/57,369.80
  6. Step 6: Final answer
    x = 48,594.38

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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.