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Finding the Fourth Proportional to 9,343.70, 14,015.55 and 8,250.20

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Solution

The fourth proportional to 9,343.70, 14,015.55 and 8,250.20 is: 12,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.70 : 14,015.55 = 8,250.20 : x
  2. Step 2: Convert to fraction form
    9,343.70/14,015.55 = 8,250.20/x
  3. Step 3: Cross multiply
    9,343.70x = 14,015.55 × 8,250.20
  4. Step 4: Simplify right side
    9,343.70x = 115,631,090.61
  5. Step 5: Solve for x
    x = 115,631,090.61/9,343.70
  6. Step 6: Final answer
    x = 12,375.30

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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.