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Finding the Fourth Proportional to 60,394.80, 90,613.80 and 25,345.20

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Solution

The fourth proportional to 60,394.80, 90,613.80 and 25,345.20 is: 38,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,394.80 : 90,613.80 = 25,345.20 : x
  2. Step 2: Convert to fraction form
    60,394.80/90,613.80 = 25,345.20/x
  3. Step 3: Cross multiply
    60,394.80x = 90,613.80 × 25,345.20
  4. Step 4: Simplify right side
    60,394.80x = 2,296,624,883.76
  5. Step 5: Solve for x
    x = 2,296,624,883.76/60,394.80
  6. Step 6: Final answer
    x = 38,026.86

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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.