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Finding the Fourth Proportional to 5,593.19, 7,721.49 and 4,398.92

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Solution

The fourth proportional to 5,593.19, 7,721.49 and 4,398.92 is: 6,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,593.19 : 7,721.49 = 4,398.92 : x
  2. Step 2: Convert to fraction form
    5,593.19/7,721.49 = 4,398.92/x
  3. Step 3: Cross multiply
    5,593.19x = 7,721.49 × 4,398.92
  4. Step 4: Simplify right side
    5,593.19x = 33,966,216.79
  5. Step 5: Solve for x
    x = 33,966,216.79/5,593.19
  6. Step 6: Final answer
    x = 6,072.78

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Double scale
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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.