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Finding the Fourth Proportional to 12,799.35, 17,663.06 and 7,493.11

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Solution

The fourth proportional to 12,799.35, 17,663.06 and 7,493.11 is: 10,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.35 : 17,663.06 = 7,493.11 : x
  2. Step 2: Convert to fraction form
    12,799.35/17,663.06 = 7,493.11/x
  3. Step 3: Cross multiply
    12,799.35x = 17,663.06 × 7,493.11
  4. Step 4: Simplify right side
    12,799.35x = 132,351,226.09
  5. Step 5: Solve for x
    x = 132,351,226.09/12,799.35
  6. Step 6: Final answer
    x = 10,340.46

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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.