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Finding the Fourth Proportional to 58,463.58, 80,660.61 and 35,778.92

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Solution

The fourth proportional to 58,463.58, 80,660.61 and 35,778.92 is: 49,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,463.58 : 80,660.61 = 35,778.92 : x
  2. Step 2: Convert to fraction form
    58,463.58/80,660.61 = 35,778.92/x
  3. Step 3: Cross multiply
    58,463.58x = 80,660.61 × 35,778.92
  4. Step 4: Simplify right side
    58,463.58x = 2,885,949,109.04
  5. Step 5: Solve for x
    x = 2,885,949,109.04/58,463.58
  6. Step 6: Final answer
    x = 49,363.20

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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.