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Finding the Fourth Proportional to 58,332.40, 87,401.40 and 54,833.20

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Solution

The fourth proportional to 58,332.40, 87,401.40 and 54,833.20 is: 82,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,332.40 : 87,401.40 = 54,833.20 : x
  2. Step 2: Convert to fraction form
    58,332.40/87,401.40 = 54,833.20/x
  3. Step 3: Cross multiply
    58,332.40x = 87,401.40 × 54,833.20
  4. Step 4: Simplify right side
    58,332.40x = 4,792,498,446.48
  5. Step 5: Solve for x
    x = 4,792,498,446.48/58,332.40
  6. Step 6: Final answer
    x = 82,158.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.