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Finding the Fourth Proportional to 58,971.28, 88,340.28 and 27,711.76

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Solution

The fourth proportional to 58,971.28, 88,340.28 and 27,711.76 is: 41,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,971.28 : 88,340.28 = 27,711.76 : x
  2. Step 2: Convert to fraction form
    58,971.28/88,340.28 = 27,711.76/x
  3. Step 3: Cross multiply
    58,971.28x = 88,340.28 × 27,711.76
  4. Step 4: Simplify right side
    58,971.28x = 2,448,064,637.69
  5. Step 5: Solve for x
    x = 2,448,064,637.69/58,971.28
  6. Step 6: Final answer
    x = 41,512.83

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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.