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Finding the Fourth Proportional to 58,989.12, 88,483.68 and 17,432.88

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Solution

The fourth proportional to 58,989.12, 88,483.68 and 17,432.88 is: 26,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,989.12 : 88,483.68 = 17,432.88 : x
  2. Step 2: Convert to fraction form
    58,989.12/88,483.68 = 17,432.88/x
  3. Step 3: Cross multiply
    58,989.12x = 88,483.68 × 17,432.88
  4. Step 4: Simplify right side
    58,989.12x = 1,542,525,375.40
  5. Step 5: Solve for x
    x = 1,542,525,375.40/58,989.12
  6. Step 6: Final answer
    x = 26,149.32

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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.