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Finding the Fourth Proportional to 3,374.83, 5,062.79 and 1,525.87

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Solution

The fourth proportional to 3,374.83, 5,062.79 and 1,525.87 is: 2,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.83 : 5,062.79 = 1,525.87 : x
  2. Step 2: Convert to fraction form
    3,374.83/5,062.79 = 1,525.87/x
  3. Step 3: Cross multiply
    3,374.83x = 5,062.79 × 1,525.87
  4. Step 4: Simplify right side
    3,374.83x = 7,725,151.75
  5. Step 5: Solve for x
    x = 7,725,151.75/3,374.83
  6. Step 6: Final answer
    x = 2,289.05

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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.