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Finding the Fourth Proportional to 25,723.59, 38,588.49 and 9,080.21

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Solution

The fourth proportional to 25,723.59, 38,588.49 and 9,080.21 is: 13,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723.59 : 38,588.49 = 9,080.21 : x
  2. Step 2: Convert to fraction form
    25,723.59/38,588.49 = 9,080.21/x
  3. Step 3: Cross multiply
    25,723.59x = 38,588.49 × 9,080.21
  4. Step 4: Simplify right side
    25,723.59x = 350,391,592.78
  5. Step 5: Solve for x
    x = 350,391,592.78/25,723.59
  6. Step 6: Final answer
    x = 13,621.41

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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.