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Finding the Fourth Proportional to 3,335.91, 5,003.86 and 1,362.46

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Solution

The fourth proportional to 3,335.91, 5,003.86 and 1,362.46 is: 2,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.91 : 5,003.86 = 1,362.46 : x
  2. Step 2: Convert to fraction form
    3,335.91/5,003.86 = 1,362.46/x
  3. Step 3: Cross multiply
    3,335.91x = 5,003.86 × 1,362.46
  4. Step 4: Simplify right side
    3,335.91x = 6,817,582.22
  5. Step 5: Solve for x
    x = 6,817,582.22/3,335.91
  6. Step 6: Final answer
    x = 2,043.70

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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.