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Finding the Fourth Proportional to 58,340.59, 80,508.67 and 35,679.83

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Solution

The fourth proportional to 58,340.59, 80,508.67 and 35,679.83 is: 49,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,340.59 : 80,508.67 = 35,679.83 : x
  2. Step 2: Convert to fraction form
    58,340.59/80,508.67 = 35,679.83/x
  3. Step 3: Cross multiply
    58,340.59x = 80,508.67 × 35,679.83
  4. Step 4: Simplify right side
    58,340.59x = 2,872,535,167.38
  5. Step 5: Solve for x
    x = 2,872,535,167.38/58,340.59
  6. Step 6: Final answer
    x = 49,237.34

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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.