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Finding the Fourth Proportional to 63,240.99, 87,290.78 and 41,746.44

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Solution

The fourth proportional to 63,240.99, 87,290.78 and 41,746.44 is: 57,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,240.99 : 87,290.78 = 41,746.44 : x
  2. Step 2: Convert to fraction form
    63,240.99/87,290.78 = 41,746.44/x
  3. Step 3: Cross multiply
    63,240.99x = 87,290.78 × 41,746.44
  4. Step 4: Simplify right side
    63,240.99x = 3,644,079,309.82
  5. Step 5: Solve for x
    x = 3,644,079,309.82/63,240.99
  6. Step 6: Final answer
    x = 57,622.11

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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.