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Finding the Fourth Proportional to 7,414.50, 10,232.01 and 4,620

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Solution

The fourth proportional to 7,414.50, 10,232.01 and 4,620 is: 6,375.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.50 : 10,232.01 = 4,620 : x
  2. Step 2: Convert to fraction form
    7,414.50/10,232.01 = 4,620/x
  3. Step 3: Cross multiply
    7,414.50x = 10,232.01 × 4,620
  4. Step 4: Simplify right side
    7,414.50x = 47,271,886.20
  5. Step 5: Solve for x
    x = 47,271,886.20/7,414.50
  6. Step 6: Final answer
    x = 6,375.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.