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Finding the Fourth Proportional to 6,375.90, 9,572.13 and 4,916.10

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Solution

The fourth proportional to 6,375.90, 9,572.13 and 4,916.10 is: 7,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.90 : 9,572.13 = 4,916.10 : x
  2. Step 2: Convert to fraction form
    6,375.90/9,572.13 = 4,916.10/x
  3. Step 3: Cross multiply
    6,375.90x = 9,572.13 × 4,916.10
  4. Step 4: Simplify right side
    6,375.90x = 47,057,548.29
  5. Step 5: Solve for x
    x = 47,057,548.29/6,375.90
  6. Step 6: Final answer
    x = 7,380.53

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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.