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Finding the Fourth Proportional to 10,241.32, 15,372.48 and 6,354.92

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Solution

The fourth proportional to 10,241.32, 15,372.48 and 6,354.92 is: 9,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,241.32 : 15,372.48 = 6,354.92 : x
  2. Step 2: Convert to fraction form
    10,241.32/15,372.48 = 6,354.92/x
  3. Step 3: Cross multiply
    10,241.32x = 15,372.48 × 6,354.92
  4. Step 4: Simplify right side
    10,241.32x = 97,690,880.60
  5. Step 5: Solve for x
    x = 97,690,880.60/10,241.32
  6. Step 6: Final answer
    x = 9,538.90

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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.