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Finding the Fourth Proportional to 12,326.52, 18,506.25 and 10,489.44

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Solution

The fourth proportional to 12,326.52, 18,506.25 and 10,489.44 is: 15,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.52 : 18,506.25 = 10,489.44 : x
  2. Step 2: Convert to fraction form
    12,326.52/18,506.25 = 10,489.44/x
  3. Step 3: Cross multiply
    12,326.52x = 18,506.25 × 10,489.44
  4. Step 4: Simplify right side
    12,326.52x = 194,120,199
  5. Step 5: Solve for x
    x = 194,120,199/12,326.52
  6. Step 6: Final answer
    x = 15,748.18

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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.