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Finding the Fourth Proportional to 1,566.08, 2,348.70 and 743.56

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Solution

The fourth proportional to 1,566.08, 2,348.70 and 743.56 is: 1,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.08 : 2,348.70 = 743.56 : x
  2. Step 2: Convert to fraction form
    1,566.08/2,348.70 = 743.56/x
  3. Step 3: Cross multiply
    1,566.08x = 2,348.70 × 743.56
  4. Step 4: Simplify right side
    1,566.08x = 1,746,399.37
  5. Step 5: Solve for x
    x = 1,746,399.37/1,566.08
  6. Step 6: Final answer
    x = 1,115.14

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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.