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Finding the Fourth Proportional to 1,589.33, 2,193.24 and 881.23

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Solution

The fourth proportional to 1,589.33, 2,193.24 and 881.23 is: 1,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589.33 : 2,193.24 = 881.23 : x
  2. Step 2: Convert to fraction form
    1,589.33/2,193.24 = 881.23/x
  3. Step 3: Cross multiply
    1,589.33x = 2,193.24 × 881.23
  4. Step 4: Simplify right side
    1,589.33x = 1,932,748.89
  5. Step 5: Solve for x
    x = 1,932,748.89/1,589.33
  6. Step 6: Final answer
    x = 1,216.08

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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.