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Finding the Fourth Proportional to 58,460.80, 87,626.40 and 25,175.20

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Solution

The fourth proportional to 58,460.80, 87,626.40 and 25,175.20 is: 37,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,460.80 : 87,626.40 = 25,175.20 : x
  2. Step 2: Convert to fraction form
    58,460.80/87,626.40 = 25,175.20/x
  3. Step 3: Cross multiply
    58,460.80x = 87,626.40 × 25,175.20
  4. Step 4: Simplify right side
    58,460.80x = 2,206,012,145.28
  5. Step 5: Solve for x
    x = 2,206,012,145.28/58,460.80
  6. Step 6: Final answer
    x = 37,734.89

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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.