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Finding the Fourth Proportional to 58,689.80, 88,002.30 and 25,404.20

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Solution

The fourth proportional to 58,689.80, 88,002.30 and 25,404.20 is: 38,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,689.80 : 88,002.30 = 25,404.20 : x
  2. Step 2: Convert to fraction form
    58,689.80/88,002.30 = 25,404.20/x
  3. Step 3: Cross multiply
    58,689.80x = 88,002.30 × 25,404.20
  4. Step 4: Simplify right side
    58,689.80x = 2,235,628,029.66
  5. Step 5: Solve for x
    x = 2,235,628,029.66/58,689.80
  6. Step 6: Final answer
    x = 38,092.28

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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.