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Finding the Fourth Proportional to 3,952.58, 5,928.04 and 1,487.34

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Solution

The fourth proportional to 3,952.58, 5,928.04 and 1,487.34 is: 2,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.58 : 5,928.04 = 1,487.34 : x
  2. Step 2: Convert to fraction form
    3,952.58/5,928.04 = 1,487.34/x
  3. Step 3: Cross multiply
    3,952.58x = 5,928.04 × 1,487.34
  4. Step 4: Simplify right side
    3,952.58x = 8,817,011.01
  5. Step 5: Solve for x
    x = 8,817,011.01/3,952.58
  6. Step 6: Final answer
    x = 2,230.70

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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.