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Finding the Fourth Proportional to 4,759.88, 7,140.90 and 1,473.08

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Solution

The fourth proportional to 4,759.88, 7,140.90 and 1,473.08 is: 2,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.88 : 7,140.90 = 1,473.08 : x
  2. Step 2: Convert to fraction form
    4,759.88/7,140.90 = 1,473.08/x
  3. Step 3: Cross multiply
    4,759.88x = 7,140.90 × 1,473.08
  4. Step 4: Simplify right side
    4,759.88x = 10,519,116.97
  5. Step 5: Solve for x
    x = 10,519,116.97/4,759.88
  6. Step 6: Final answer
    x = 2,209.95

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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.