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Finding the Fourth Proportional to 11,468.25, 15,825.42 and 6,432.42

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Solution

The fourth proportional to 11,468.25, 15,825.42 and 6,432.42 is: 8,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,468.25 : 15,825.42 = 6,432.42 : x
  2. Step 2: Convert to fraction form
    11,468.25/15,825.42 = 6,432.42/x
  3. Step 3: Cross multiply
    11,468.25x = 15,825.42 × 6,432.42
  4. Step 4: Simplify right side
    11,468.25x = 101,795,748.12
  5. Step 5: Solve for x
    x = 101,795,748.12/11,468.25
  6. Step 6: Final answer
    x = 8,876.31

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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.