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Finding the Fourth Proportional to 11,799.76, 17,695.60 and 4,006.76

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Solution

The fourth proportional to 11,799.76, 17,695.60 and 4,006.76 is: 6,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,799.76 : 17,695.60 = 4,006.76 : x
  2. Step 2: Convert to fraction form
    11,799.76/17,695.60 = 4,006.76/x
  3. Step 3: Cross multiply
    11,799.76x = 17,695.60 × 4,006.76
  4. Step 4: Simplify right side
    11,799.76x = 70,902,022.26
  5. Step 5: Solve for x
    x = 70,902,022.26/11,799.76
  6. Step 6: Final answer
    x = 6,008.77

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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.