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Finding the Fourth Proportional to 72,386.98, 108,594.82 and 22,464.95

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Solution

The fourth proportional to 72,386.98, 108,594.82 and 22,464.95 is: 33,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,386.98 : 108,594.82 = 22,464.95 : x
  2. Step 2: Convert to fraction form
    72,386.98/108,594.82 = 22,464.95/x
  3. Step 3: Cross multiply
    72,386.98x = 108,594.82 × 22,464.95
  4. Step 4: Simplify right side
    72,386.98x = 2,439,577,201.56
  5. Step 5: Solve for x
    x = 2,439,577,201.56/72,386.98
  6. Step 6: Final answer
    x = 33,701.88

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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.