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Finding the Fourth Proportional to 12,294.54, 18,441.36 and 6,750.48

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Solution

The fourth proportional to 12,294.54, 18,441.36 and 6,750.48 is: 10,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.54 : 18,441.36 = 6,750.48 : x
  2. Step 2: Convert to fraction form
    12,294.54/18,441.36 = 6,750.48/x
  3. Step 3: Cross multiply
    12,294.54x = 18,441.36 × 6,750.48
  4. Step 4: Simplify right side
    12,294.54x = 124,488,031.85
  5. Step 5: Solve for x
    x = 124,488,031.85/12,294.54
  6. Step 6: Final answer
    x = 10,125.47

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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.