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Finding the Fourth Proportional to 58,918.80, 88,345.80 and 25,633.20

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Solution

The fourth proportional to 58,918.80, 88,345.80 and 25,633.20 is: 38,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,918.80 : 88,345.80 = 25,633.20 : x
  2. Step 2: Convert to fraction form
    58,918.80/88,345.80 = 25,633.20/x
  3. Step 3: Cross multiply
    58,918.80x = 88,345.80 × 25,633.20
  4. Step 4: Simplify right side
    58,918.80x = 2,264,585,560.56
  5. Step 5: Solve for x
    x = 2,264,585,560.56/58,918.80
  6. Step 6: Final answer
    x = 38,435.70

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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.