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Finding the Fourth Proportional to 57,855.79, 79,818.17 and 36,332.88

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Solution

The fourth proportional to 57,855.79, 79,818.17 and 36,332.88 is: 50,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,855.79 : 79,818.17 = 36,332.88 : x
  2. Step 2: Convert to fraction form
    57,855.79/79,818.17 = 36,332.88/x
  3. Step 3: Cross multiply
    57,855.79x = 79,818.17 × 36,332.88
  4. Step 4: Simplify right side
    57,855.79x = 2,900,023,411.67
  5. Step 5: Solve for x
    x = 2,900,023,411.67/57,855.79
  6. Step 6: Final answer
    x = 50,125.03

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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.