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Finding the Fourth Proportional to 17,028.12, 25,552.08 and 7,166.76

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Solution

The fourth proportional to 17,028.12, 25,552.08 and 7,166.76 is: 10,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,028.12 : 25,552.08 = 7,166.76 : x
  2. Step 2: Convert to fraction form
    17,028.12/25,552.08 = 7,166.76/x
  3. Step 3: Cross multiply
    17,028.12x = 25,552.08 × 7,166.76
  4. Step 4: Simplify right side
    17,028.12x = 183,125,624.86
  5. Step 5: Solve for x
    x = 183,125,624.86/17,028.12
  6. Step 6: Final answer
    x = 10,754.31

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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.