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Finding the Fourth Proportional to 58,424.52, 80,604.18 and 40,535.40

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Solution

The fourth proportional to 58,424.52, 80,604.18 and 40,535.40 is: 55,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,424.52 : 80,604.18 = 40,535.40 : x
  2. Step 2: Convert to fraction form
    58,424.52/80,604.18 = 40,535.40/x
  3. Step 3: Cross multiply
    58,424.52x = 80,604.18 × 40,535.40
  4. Step 4: Simplify right side
    58,424.52x = 3,267,322,677.97
  5. Step 5: Solve for x
    x = 3,267,322,677.97/58,424.52
  6. Step 6: Final answer
    x = 55,923.83

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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.