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Finding the Fourth Proportional to 58,463.34, 87,708 and 27,281.58

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Solution

The fourth proportional to 58,463.34, 87,708 and 27,281.58 is: 40,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,463.34 : 87,708 = 27,281.58 : x
  2. Step 2: Convert to fraction form
    58,463.34/87,708 = 27,281.58/x
  3. Step 3: Cross multiply
    58,463.34x = 87,708 × 27,281.58
  4. Step 4: Simplify right side
    58,463.34x = 2,392,812,818.64
  5. Step 5: Solve for x
    x = 2,392,812,818.64/58,463.34
  6. Step 6: Final answer
    x = 40,928.43

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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.