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Finding the Fourth Proportional to 2,593.35, 3,888.86 and 744.05

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Solution

The fourth proportional to 2,593.35, 3,888.86 and 744.05 is: 1,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593.35 : 3,888.86 = 744.05 : x
  2. Step 2: Convert to fraction form
    2,593.35/3,888.86 = 744.05/x
  3. Step 3: Cross multiply
    2,593.35x = 3,888.86 × 744.05
  4. Step 4: Simplify right side
    2,593.35x = 2,893,512.28
  5. Step 5: Solve for x
    x = 2,893,512.28/2,593.35
  6. Step 6: Final answer
    x = 1,115.74

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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.