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Finding the Fourth Proportional to 17,799.60, 26,691.30 and 9,477.48

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Solution

The fourth proportional to 17,799.60, 26,691.30 and 9,477.48 is: 14,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,799.60 : 26,691.30 = 9,477.48 : x
  2. Step 2: Convert to fraction form
    17,799.60/26,691.30 = 9,477.48/x
  3. Step 3: Cross multiply
    17,799.60x = 26,691.30 × 9,477.48
  4. Step 4: Simplify right side
    17,799.60x = 252,966,261.92
  5. Step 5: Solve for x
    x = 252,966,261.92/17,799.60
  6. Step 6: Final answer
    x = 14,211.91

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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.