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Finding the Fourth Proportional to 66,591.98, 99,854.53 and 22,203.02

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Solution

The fourth proportional to 66,591.98, 99,854.53 and 22,203.02 is: 33,293.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,591.98 : 99,854.53 = 22,203.02 : x
  2. Step 2: Convert to fraction form
    66,591.98/99,854.53 = 22,203.02/x
  3. Step 3: Cross multiply
    66,591.98x = 99,854.53 × 22,203.02
  4. Step 4: Simplify right side
    66,591.98x = 2,217,072,126.68
  5. Step 5: Solve for x
    x = 2,217,072,126.68/66,591.98
  6. Step 6: Final answer
    x = 33,293.38

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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.