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Finding the Fourth Proportional to 58,411.76, 87,477.36 and 33,375.92

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Solution

The fourth proportional to 58,411.76, 87,477.36 and 33,375.92 is: 49,983.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,411.76 : 87,477.36 = 33,375.92 : x
  2. Step 2: Convert to fraction form
    58,411.76/87,477.36 = 33,375.92/x
  3. Step 3: Cross multiply
    58,411.76x = 87,477.36 × 33,375.92
  4. Step 4: Simplify right side
    58,411.76x = 2,919,637,369.17
  5. Step 5: Solve for x
    x = 2,919,637,369.17/58,411.76
  6. Step 6: Final answer
    x = 49,983.73

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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.