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Finding the Fourth Proportional to 17,251.70, 25,877.64 and 6,870.74

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Solution

The fourth proportional to 17,251.70, 25,877.64 and 6,870.74 is: 10,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,251.70 : 25,877.64 = 6,870.74 : x
  2. Step 2: Convert to fraction form
    17,251.70/25,877.64 = 6,870.74/x
  3. Step 3: Cross multiply
    17,251.70x = 25,877.64 × 6,870.74
  4. Step 4: Simplify right side
    17,251.70x = 177,798,406.87
  5. Step 5: Solve for x
    x = 177,798,406.87/17,251.70
  6. Step 6: Final answer
    x = 10,306.14

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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.