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Finding the Fourth Proportional to 2,001.59, 2,762.61 and 1,373.39

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Solution

The fourth proportional to 2,001.59, 2,762.61 and 1,373.39 is: 1,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.59 : 2,762.61 = 1,373.39 : x
  2. Step 2: Convert to fraction form
    2,001.59/2,762.61 = 1,373.39/x
  3. Step 3: Cross multiply
    2,001.59x = 2,762.61 × 1,373.39
  4. Step 4: Simplify right side
    2,001.59x = 3,794,140.95
  5. Step 5: Solve for x
    x = 3,794,140.95/2,001.59
  6. Step 6: Final answer
    x = 1,895.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.