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Finding the Fourth Proportional to 55,167.92, 76,089.96 and 35,791.28

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Solution

The fourth proportional to 55,167.92, 76,089.96 and 35,791.28 is: 49,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,167.92 : 76,089.96 = 35,791.28 : x
  2. Step 2: Convert to fraction form
    55,167.92/76,089.96 = 35,791.28/x
  3. Step 3: Cross multiply
    55,167.92x = 76,089.96 × 35,791.28
  4. Step 4: Simplify right side
    55,167.92x = 2,723,357,063.55
  5. Step 5: Solve for x
    x = 2,723,357,063.55/55,167.92
  6. Step 6: Final answer
    x = 49,364.87

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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.