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Finding the Fourth Proportional to 2,472.65, 3,709.02 and 1,156.04

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Solution

The fourth proportional to 2,472.65, 3,709.02 and 1,156.04 is: 1,734.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.65 : 3,709.02 = 1,156.04 : x
  2. Step 2: Convert to fraction form
    2,472.65/3,709.02 = 1,156.04/x
  3. Step 3: Cross multiply
    2,472.65x = 3,709.02 × 1,156.04
  4. Step 4: Simplify right side
    2,472.65x = 4,287,775.48
  5. Step 5: Solve for x
    x = 4,287,775.48/2,472.65
  6. Step 6: Final answer
    x = 1,734.08

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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.