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Finding the Fourth Proportional to 10,568.67, 15,932.34 and 9,855.24

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Solution

The fourth proportional to 10,568.67, 15,932.34 and 9,855.24 is: 14,856.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.67 : 15,932.34 = 9,855.24 : x
  2. Step 2: Convert to fraction form
    10,568.67/15,932.34 = 9,855.24/x
  3. Step 3: Cross multiply
    10,568.67x = 15,932.34 × 9,855.24
  4. Step 4: Simplify right side
    10,568.67x = 157,017,034.46
  5. Step 5: Solve for x
    x = 157,017,034.46/10,568.67
  6. Step 6: Final answer
    x = 14,856.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.