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Finding the Fourth Proportional to 42,573.76, 58,751.76 and 24,679.15

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Solution

The fourth proportional to 42,573.76, 58,751.76 and 24,679.15 is: 34,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,573.76 : 58,751.76 = 24,679.15 : x
  2. Step 2: Convert to fraction form
    42,573.76/58,751.76 = 24,679.15/x
  3. Step 3: Cross multiply
    42,573.76x = 58,751.76 × 24,679.15
  4. Step 4: Simplify right side
    42,573.76x = 1,449,943,497.80
  5. Step 5: Solve for x
    x = 1,449,943,497.80/42,573.76
  6. Step 6: Final answer
    x = 34,057.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.