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Finding the Fourth Proportional to 7,052.33, 9,721.81 and 5,557.27

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Solution

The fourth proportional to 7,052.33, 9,721.81 and 5,557.27 is: 7,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.33 : 9,721.81 = 5,557.27 : x
  2. Step 2: Convert to fraction form
    7,052.33/9,721.81 = 5,557.27/x
  3. Step 3: Cross multiply
    7,052.33x = 9,721.81 × 5,557.27
  4. Step 4: Simplify right side
    7,052.33x = 54,026,723.06
  5. Step 5: Solve for x
    x = 54,026,723.06/7,052.33
  6. Step 6: Final answer
    x = 7,660.83

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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.