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Finding the Fourth Proportional to 2,471.49, 3,707.24 and 716.59

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Solution

The fourth proportional to 2,471.49, 3,707.24 and 716.59 is: 1,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.49 : 3,707.24 = 716.59 : x
  2. Step 2: Convert to fraction form
    2,471.49/3,707.24 = 716.59/x
  3. Step 3: Cross multiply
    2,471.49x = 3,707.24 × 716.59
  4. Step 4: Simplify right side
    2,471.49x = 2,656,572.16
  5. Step 5: Solve for x
    x = 2,656,572.16/2,471.49
  6. Step 6: Final answer
    x = 1,074.89

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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.