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Finding the Fourth Proportional to 27,901.62, 38,504.42 and 15,965.25

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Solution

The fourth proportional to 27,901.62, 38,504.42 and 15,965.25 is: 22,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,901.62 : 38,504.42 = 15,965.25 : x
  2. Step 2: Convert to fraction form
    27,901.62/38,504.42 = 15,965.25/x
  3. Step 3: Cross multiply
    27,901.62x = 38,504.42 × 15,965.25
  4. Step 4: Simplify right side
    27,901.62x = 614,732,611.58
  5. Step 5: Solve for x
    x = 614,732,611.58/27,901.62
  6. Step 6: Final answer
    x = 22,032.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.