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Finding the Fourth Proportional to 25,927.88, 38,891.88 and 17,587.26

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Solution

The fourth proportional to 25,927.88, 38,891.88 and 17,587.26 is: 26,380.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,927.88 : 38,891.88 = 17,587.26 : x
  2. Step 2: Convert to fraction form
    25,927.88/38,891.88 = 17,587.26/x
  3. Step 3: Cross multiply
    25,927.88x = 38,891.88 × 17,587.26
  4. Step 4: Simplify right side
    25,927.88x = 684,001,605.45
  5. Step 5: Solve for x
    x = 684,001,605.45/25,927.88
  6. Step 6: Final answer
    x = 26,380.94

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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.