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Finding the Fourth Proportional to 32,364.71, 48,553.68 and 12,372.78

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Solution

The fourth proportional to 32,364.71, 48,553.68 and 12,372.78 is: 18,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,364.71 : 48,553.68 = 12,372.78 : x
  2. Step 2: Convert to fraction form
    32,364.71/48,553.68 = 12,372.78/x
  3. Step 3: Cross multiply
    32,364.71x = 48,553.68 × 12,372.78
  4. Step 4: Simplify right side
    32,364.71x = 600,744,000.83
  5. Step 5: Solve for x
    x = 600,744,000.83/32,364.71
  6. Step 6: Final answer
    x = 18,561.70

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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.