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Finding the Fourth Proportional to 17,269.20, 25,903.80 and 15,738.30

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Solution

The fourth proportional to 17,269.20, 25,903.80 and 15,738.30 is: 23,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,269.20 : 25,903.80 = 15,738.30 : x
  2. Step 2: Convert to fraction form
    17,269.20/25,903.80 = 15,738.30/x
  3. Step 3: Cross multiply
    17,269.20x = 25,903.80 × 15,738.30
  4. Step 4: Simplify right side
    17,269.20x = 407,681,775.54
  5. Step 5: Solve for x
    x = 407,681,775.54/17,269.20
  6. Step 6: Final answer
    x = 23,607.45

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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.