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Finding the Fourth Proportional to 7,799.66, 11,699.46 and 2,539.04

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Solution

The fourth proportional to 7,799.66, 11,699.46 and 2,539.04 is: 3,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.66 : 11,699.46 = 2,539.04 : x
  2. Step 2: Convert to fraction form
    7,799.66/11,699.46 = 2,539.04/x
  3. Step 3: Cross multiply
    7,799.66x = 11,699.46 × 2,539.04
  4. Step 4: Simplify right side
    7,799.66x = 29,705,396.92
  5. Step 5: Solve for x
    x = 29,705,396.92/7,799.66
  6. Step 6: Final answer
    x = 3,808.55

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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.