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Finding the Fourth Proportional to 3,589.88, 4,953.85 and 2,017.88

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Solution

The fourth proportional to 3,589.88, 4,953.85 and 2,017.88 is: 2,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.88 : 4,953.85 = 2,017.88 : x
  2. Step 2: Convert to fraction form
    3,589.88/4,953.85 = 2,017.88/x
  3. Step 3: Cross multiply
    3,589.88x = 4,953.85 × 2,017.88
  4. Step 4: Simplify right side
    3,589.88x = 9,996,245.02
  5. Step 5: Solve for x
    x = 9,996,245.02/3,589.88
  6. Step 6: Final answer
    x = 2,784.56

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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.