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Finding the Fourth Proportional to 10,240.60, 15,375.30 and 6,352.60

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Solution

The fourth proportional to 10,240.60, 15,375.30 and 6,352.60 is: 9,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.60 : 15,375.30 = 6,352.60 : x
  2. Step 2: Convert to fraction form
    10,240.60/15,375.30 = 6,352.60/x
  3. Step 3: Cross multiply
    10,240.60x = 15,375.30 × 6,352.60
  4. Step 4: Simplify right side
    10,240.60x = 97,673,130.78
  5. Step 5: Solve for x
    x = 97,673,130.78/10,240.60
  6. Step 6: Final answer
    x = 9,537.83

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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.