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Finding the Fourth Proportional to 12,375.39, 17,070.48 and 7,336.24

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Solution

The fourth proportional to 12,375.39, 17,070.48 and 7,336.24 is: 10,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.39 : 17,070.48 = 7,336.24 : x
  2. Step 2: Convert to fraction form
    12,375.39/17,070.48 = 7,336.24/x
  3. Step 3: Cross multiply
    12,375.39x = 17,070.48 × 7,336.24
  4. Step 4: Simplify right side
    12,375.39x = 125,233,138.20
  5. Step 5: Solve for x
    x = 125,233,138.20/12,375.39
  6. Step 6: Final answer
    x = 10,119.53

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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.