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Finding the Fourth Proportional to 48,201.54, 66,483.78 and 29,339.88

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Solution

The fourth proportional to 48,201.54, 66,483.78 and 29,339.88 is: 40,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,201.54 : 66,483.78 = 29,339.88 : x
  2. Step 2: Convert to fraction form
    48,201.54/66,483.78 = 29,339.88/x
  3. Step 3: Cross multiply
    48,201.54x = 66,483.78 × 29,339.88
  4. Step 4: Simplify right side
    48,201.54x = 1,950,626,127.15
  5. Step 5: Solve for x
    x = 1,950,626,127.15/48,201.54
  6. Step 6: Final answer
    x = 40,468.13

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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.