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Finding the Fourth Proportional to 58,277.20, 80,401.80 and 34,391.92

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Solution

The fourth proportional to 58,277.20, 80,401.80 and 34,391.92 is: 47,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,277.20 : 80,401.80 = 34,391.92 : x
  2. Step 2: Convert to fraction form
    58,277.20/80,401.80 = 34,391.92/x
  3. Step 3: Cross multiply
    58,277.20x = 80,401.80 × 34,391.92
  4. Step 4: Simplify right side
    58,277.20x = 2,765,172,273.46
  5. Step 5: Solve for x
    x = 2,765,172,273.46/58,277.20
  6. Step 6: Final answer
    x = 47,448.61

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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.