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Finding the Fourth Proportional to 12,564.66, 18,850.05 and 3,799.08

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Solution

The fourth proportional to 12,564.66, 18,850.05 and 3,799.08 is: 5,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564.66 : 18,850.05 = 3,799.08 : x
  2. Step 2: Convert to fraction form
    12,564.66/18,850.05 = 3,799.08/x
  3. Step 3: Cross multiply
    12,564.66x = 18,850.05 × 3,799.08
  4. Step 4: Simplify right side
    12,564.66x = 71,612,847.95
  5. Step 5: Solve for x
    x = 71,612,847.95/12,564.66
  6. Step 6: Final answer
    x = 5,699.55

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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.