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Finding the Fourth Proportional to 17,101.54, 25,616.31 and 8,756.20

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Solution

The fourth proportional to 17,101.54, 25,616.31 and 8,756.20 is: 13,115.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,101.54 : 25,616.31 = 8,756.20 : x
  2. Step 2: Convert to fraction form
    17,101.54/25,616.31 = 8,756.20/x
  3. Step 3: Cross multiply
    17,101.54x = 25,616.31 × 8,756.20
  4. Step 4: Simplify right side
    17,101.54x = 224,301,533.62
  5. Step 5: Solve for x
    x = 224,301,533.62/17,101.54
  6. Step 6: Final answer
    x = 13,115.87

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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.