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Finding the Fourth Proportional to 17,625.60, 25,531.20 and 17,625.60

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Solution

The fourth proportional to 17,625.60, 25,531.20 and 17,625.60 is: 25,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.60 : 25,531.20 = 17,625.60 : x
  2. Step 2: Convert to fraction form
    17,625.60/25,531.20 = 17,625.60/x
  3. Step 3: Cross multiply
    17,625.60x = 25,531.20 × 17,625.60
  4. Step 4: Simplify right side
    17,625.60x = 450,002,718.72
  5. Step 5: Solve for x
    x = 450,002,718.72/17,625.60
  6. Step 6: Final answer
    x = 25,531.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.