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Finding the Fourth Proportional to 2,593.28, 3,888.90 and 949.46

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Solution

The fourth proportional to 2,593.28, 3,888.90 and 949.46 is: 1,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593.28 : 3,888.90 = 949.46 : x
  2. Step 2: Convert to fraction form
    2,593.28/3,888.90 = 949.46/x
  3. Step 3: Cross multiply
    2,593.28x = 3,888.90 × 949.46
  4. Step 4: Simplify right side
    2,593.28x = 3,692,335.55
  5. Step 5: Solve for x
    x = 3,692,335.55/2,593.28
  6. Step 6: Final answer
    x = 1,423.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.