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Finding the Fourth Proportional to 7,614.45, 11,422.90 and 2,348.22

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Solution

The fourth proportional to 7,614.45, 11,422.90 and 2,348.22 is: 3,522.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.45 : 11,422.90 = 2,348.22 : x
  2. Step 2: Convert to fraction form
    7,614.45/11,422.90 = 2,348.22/x
  3. Step 3: Cross multiply
    7,614.45x = 11,422.90 × 2,348.22
  4. Step 4: Simplify right side
    7,614.45x = 26,823,482.24
  5. Step 5: Solve for x
    x = 26,823,482.24/7,614.45
  6. Step 6: Final answer
    x = 3,522.71

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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.