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Finding the Fourth Proportional to 58,392.46, 87,687.72 and 38,162.68

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Solution

The fourth proportional to 58,392.46, 87,687.72 and 38,162.68 is: 57,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,392.46 : 87,687.72 = 38,162.68 : x
  2. Step 2: Convert to fraction form
    58,392.46/87,687.72 = 38,162.68/x
  3. Step 3: Cross multiply
    58,392.46x = 87,687.72 × 38,162.68
  4. Step 4: Simplify right side
    58,392.46x = 3,346,398,398.29
  5. Step 5: Solve for x
    x = 3,346,398,398.29/58,392.46
  6. Step 6: Final answer
    x = 57,308.74

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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.