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Finding the Fourth Proportional to 58,394.40, 87,480 and 38,614.56

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Solution

The fourth proportional to 58,394.40, 87,480 and 38,614.56 is: 57,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,394.40 : 87,480 = 38,614.56 : x
  2. Step 2: Convert to fraction form
    58,394.40/87,480 = 38,614.56/x
  3. Step 3: Cross multiply
    58,394.40x = 87,480 × 38,614.56
  4. Step 4: Simplify right side
    58,394.40x = 3,378,001,708.80
  5. Step 5: Solve for x
    x = 3,378,001,708.80/58,394.40
  6. Step 6: Final answer
    x = 57,848.04

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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.