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Finding the Fourth Proportional to 58,382.43, 80,565.62 and 35,712.96

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Solution

The fourth proportional to 58,382.43, 80,565.62 and 35,712.96 is: 49,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,382.43 : 80,565.62 = 35,712.96 : x
  2. Step 2: Convert to fraction form
    58,382.43/80,565.62 = 35,712.96/x
  3. Step 3: Cross multiply
    58,382.43x = 80,565.62 × 35,712.96
  4. Step 4: Simplify right side
    58,382.43x = 2,877,236,585.87
  5. Step 5: Solve for x
    x = 2,877,236,585.87/58,382.43
  6. Step 6: Final answer
    x = 49,282.58

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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.