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Finding the Fourth Proportional to 17,107.16, 25,663.28 and 7,750.40

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Solution

The fourth proportional to 17,107.16, 25,663.28 and 7,750.40 is: 11,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,107.16 : 25,663.28 = 7,750.40 : x
  2. Step 2: Convert to fraction form
    17,107.16/25,663.28 = 7,750.40/x
  3. Step 3: Cross multiply
    17,107.16x = 25,663.28 × 7,750.40
  4. Step 4: Simplify right side
    17,107.16x = 198,900,685.31
  5. Step 5: Solve for x
    x = 198,900,685.31/17,107.16
  6. Step 6: Final answer
    x = 11,626.75

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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.