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Finding the Fourth Proportional to 5,493.18, 7,593.05 and 5,057.23

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Solution

The fourth proportional to 5,493.18, 7,593.05 and 5,057.23 is: 6,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.18 : 7,593.05 = 5,057.23 : x
  2. Step 2: Convert to fraction form
    5,493.18/7,593.05 = 5,057.23/x
  3. Step 3: Cross multiply
    5,493.18x = 7,593.05 × 5,057.23
  4. Step 4: Simplify right side
    5,493.18x = 38,399,800.25
  5. Step 5: Solve for x
    x = 38,399,800.25/5,493.18
  6. Step 6: Final answer
    x = 6,990.45

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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.