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Finding the Fourth Proportional to 5,472.79, 7,549.81 and 3,583.54

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Solution

The fourth proportional to 5,472.79, 7,549.81 and 3,583.54 is: 4,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.79 : 7,549.81 = 3,583.54 : x
  2. Step 2: Convert to fraction form
    5,472.79/7,549.81 = 3,583.54/x
  3. Step 3: Cross multiply
    5,472.79x = 7,549.81 × 3,583.54
  4. Step 4: Simplify right side
    5,472.79x = 27,055,046.13
  5. Step 5: Solve for x
    x = 27,055,046.13/5,472.79
  6. Step 6: Final answer
    x = 4,943.56

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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.