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Finding the Fourth Proportional to 63,006.88, 86,978.24 and 44,869.28

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Solution

The fourth proportional to 63,006.88, 86,978.24 and 44,869.28 is: 61,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,006.88 : 86,978.24 = 44,869.28 : x
  2. Step 2: Convert to fraction form
    63,006.88/86,978.24 = 44,869.28/x
  3. Step 3: Cross multiply
    63,006.88x = 86,978.24 × 44,869.28
  4. Step 4: Simplify right side
    63,006.88x = 3,902,651,004.47
  5. Step 5: Solve for x
    x = 3,902,651,004.47/63,006.88
  6. Step 6: Final answer
    x = 61,940.08

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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.