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Finding the Fourth Proportional to 2,593.47, 3,581.98 and 1,888.47

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Solution

The fourth proportional to 2,593.47, 3,581.98 and 1,888.47 is: 2,608.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,593.47 : 3,581.98 = 1,888.47 : x
  2. Step 2: Convert to fraction form
    2,593.47/3,581.98 = 1,888.47/x
  3. Step 3: Cross multiply
    2,593.47x = 3,581.98 × 1,888.47
  4. Step 4: Simplify right side
    2,593.47x = 6,764,448.09
  5. Step 5: Solve for x
    x = 6,764,448.09/2,593.47
  6. Step 6: Final answer
    x = 2,608.26

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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.