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Finding the Fourth Proportional to 57,854.87, 79,697.01 and 49,329.22

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Solution

The fourth proportional to 57,854.87, 79,697.01 and 49,329.22 is: 67,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,854.87 : 79,697.01 = 49,329.22 : x
  2. Step 2: Convert to fraction form
    57,854.87/79,697.01 = 49,329.22/x
  3. Step 3: Cross multiply
    57,854.87x = 79,697.01 × 49,329.22
  4. Step 4: Simplify right side
    57,854.87x = 3,931,391,140.39
  5. Step 5: Solve for x
    x = 3,931,391,140.39/57,854.87
  6. Step 6: Final answer
    x = 67,952.64

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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.