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Finding the Fourth Proportional to 7,882.53, 11,820.14 and 2,952.06

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Solution

The fourth proportional to 7,882.53, 11,820.14 and 2,952.06 is: 4,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.53 : 11,820.14 = 2,952.06 : x
  2. Step 2: Convert to fraction form
    7,882.53/11,820.14 = 2,952.06/x
  3. Step 3: Cross multiply
    7,882.53x = 11,820.14 × 2,952.06
  4. Step 4: Simplify right side
    7,882.53x = 34,893,747.73
  5. Step 5: Solve for x
    x = 34,893,747.73/7,882.53
  6. Step 6: Final answer
    x = 4,426.72

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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.