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Finding the Fourth Proportional to 3,253.07, 4,879.80 and 1,305.02

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Solution

The fourth proportional to 3,253.07, 4,879.80 and 1,305.02 is: 1,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.07 : 4,879.80 = 1,305.02 : x
  2. Step 2: Convert to fraction form
    3,253.07/4,879.80 = 1,305.02/x
  3. Step 3: Cross multiply
    3,253.07x = 4,879.80 × 1,305.02
  4. Step 4: Simplify right side
    3,253.07x = 6,368,212.20
  5. Step 5: Solve for x
    x = 6,368,212.20/3,253.07
  6. Step 6: Final answer
    x = 1,957.60

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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.