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Finding the Fourth Proportional to 1,566.87, 2,350.71 and 745.13

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Solution

The fourth proportional to 1,566.87, 2,350.71 and 745.13 is: 1,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.87 : 2,350.71 = 745.13 : x
  2. Step 2: Convert to fraction form
    1,566.87/2,350.71 = 745.13/x
  3. Step 3: Cross multiply
    1,566.87x = 2,350.71 × 745.13
  4. Step 4: Simplify right side
    1,566.87x = 1,751,572.79
  5. Step 5: Solve for x
    x = 1,751,572.79/1,566.87
  6. Step 6: Final answer
    x = 1,117.88

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1.5x scale

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.