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Finding the Fourth Proportional to 7,375.42, 11,063.22 and 2,181.40

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Solution

The fourth proportional to 7,375.42, 11,063.22 and 2,181.40 is: 3,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.42 : 11,063.22 = 2,181.40 : x
  2. Step 2: Convert to fraction form
    7,375.42/11,063.22 = 2,181.40/x
  3. Step 3: Cross multiply
    7,375.42x = 11,063.22 × 2,181.40
  4. Step 4: Simplify right side
    7,375.42x = 24,133,308.11
  5. Step 5: Solve for x
    x = 24,133,308.11/7,375.42
  6. Step 6: Final answer
    x = 3,272.13

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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.