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Finding the Fourth Proportional to 12,652.32, 17,452.92 and 7,346.44

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Solution

The fourth proportional to 12,652.32, 17,452.92 and 7,346.44 is: 10,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,652.32 : 17,452.92 = 7,346.44 : x
  2. Step 2: Convert to fraction form
    12,652.32/17,452.92 = 7,346.44/x
  3. Step 3: Cross multiply
    12,652.32x = 17,452.92 × 7,346.44
  4. Step 4: Simplify right side
    12,652.32x = 128,216,829.60
  5. Step 5: Solve for x
    x = 128,216,829.60/12,652.32
  6. Step 6: Final answer
    x = 10,133.86

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1.5x scale

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.