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Finding the Fourth Proportional to 56,400.83, 84,611.92 and 22,669.47

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Solution

The fourth proportional to 56,400.83, 84,611.92 and 22,669.47 is: 34,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,400.83 : 84,611.92 = 22,669.47 : x
  2. Step 2: Convert to fraction form
    56,400.83/84,611.92 = 22,669.47/x
  3. Step 3: Cross multiply
    56,400.83x = 84,611.92 × 22,669.47
  4. Step 4: Simplify right side
    56,400.83x = 1,918,107,304.16
  5. Step 5: Solve for x
    x = 1,918,107,304.16/56,400.83
  6. Step 6: Final answer
    x = 34,008.50

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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.