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Finding the Fourth Proportional to 17,307.20, 25,903.20 and 15,233.60

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Solution

The fourth proportional to 17,307.20, 25,903.20 and 15,233.60 is: 22,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,307.20 : 25,903.20 = 15,233.60 : x
  2. Step 2: Convert to fraction form
    17,307.20/25,903.20 = 15,233.60/x
  3. Step 3: Cross multiply
    17,307.20x = 25,903.20 × 15,233.60
  4. Step 4: Simplify right side
    17,307.20x = 394,598,987.52
  5. Step 5: Solve for x
    x = 394,598,987.52/17,307.20
  6. Step 6: Final answer
    x = 22,799.70

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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.