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Finding the Fourth Proportional to 12,497.85, 17,247.05 and 7,193.70

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Solution

The fourth proportional to 12,497.85, 17,247.05 and 7,193.70 is: 9,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.85 : 17,247.05 = 7,193.70 : x
  2. Step 2: Convert to fraction form
    12,497.85/17,247.05 = 7,193.70/x
  3. Step 3: Cross multiply
    12,497.85x = 17,247.05 × 7,193.70
  4. Step 4: Simplify right side
    12,497.85x = 124,070,067.62
  5. Step 5: Solve for x
    x = 124,070,067.62/12,497.85
  6. Step 6: Final answer
    x = 9,927.31

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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.