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Finding the Fourth Proportional to 3,339.47, 5,001.90 and 1,693.19

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Solution

The fourth proportional to 3,339.47, 5,001.90 and 1,693.19 is: 2,536.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.47 : 5,001.90 = 1,693.19 : x
  2. Step 2: Convert to fraction form
    3,339.47/5,001.90 = 1,693.19/x
  3. Step 3: Cross multiply
    3,339.47x = 5,001.90 × 1,693.19
  4. Step 4: Simplify right side
    3,339.47x = 8,469,142.05
  5. Step 5: Solve for x
    x = 8,469,142.05/3,339.47
  6. Step 6: Final answer
    x = 2,536.08

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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.