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Finding the Fourth Proportional to 4,313.71, 5,945.16 and 3,132.73

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Solution

The fourth proportional to 4,313.71, 5,945.16 and 3,132.73 is: 4,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,313.71 : 5,945.16 = 3,132.73 : x
  2. Step 2: Convert to fraction form
    4,313.71/5,945.16 = 3,132.73/x
  3. Step 3: Cross multiply
    4,313.71x = 5,945.16 × 3,132.73
  4. Step 4: Simplify right side
    4,313.71x = 18,624,581.09
  5. Step 5: Solve for x
    x = 18,624,581.09/4,313.71
  6. Step 6: Final answer
    x = 4,317.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.