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Finding the Fourth Proportional to 71,625.25, 107,437.88 and 22,377.25

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Solution

The fourth proportional to 71,625.25, 107,437.88 and 22,377.25 is: 33,565.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,625.25 : 107,437.88 = 22,377.25 : x
  2. Step 2: Convert to fraction form
    71,625.25/107,437.88 = 22,377.25/x
  3. Step 3: Cross multiply
    71,625.25x = 107,437.88 × 22,377.25
  4. Step 4: Simplify right side
    71,625.25x = 2,404,164,300.23
  5. Step 5: Solve for x
    x = 2,404,164,300.23/71,625.25
  6. Step 6: Final answer
    x = 33,565.88

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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.