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Finding the Fourth Proportional to 71,555.25, 107,332.89 and 22,307.25

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Solution

The fourth proportional to 71,555.25, 107,332.89 and 22,307.25 is: 33,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,555.25 : 107,332.89 = 22,307.25 : x
  2. Step 2: Convert to fraction form
    71,555.25/107,332.89 = 22,307.25/x
  3. Step 3: Cross multiply
    71,555.25x = 107,332.89 × 22,307.25
  4. Step 4: Simplify right side
    71,555.25x = 2,394,301,610.45
  5. Step 5: Solve for x
    x = 2,394,301,610.45/71,555.25
  6. Step 6: Final answer
    x = 33,460.88

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Similar ratio
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1.5x scale

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.