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Finding the Fourth Proportional to 2,888.56, 4,332.57 and 1,244.80

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Solution

The fourth proportional to 2,888.56, 4,332.57 and 1,244.80 is: 1,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.56 : 4,332.57 = 1,244.80 : x
  2. Step 2: Convert to fraction form
    2,888.56/4,332.57 = 1,244.80/x
  3. Step 3: Cross multiply
    2,888.56x = 4,332.57 × 1,244.80
  4. Step 4: Simplify right side
    2,888.56x = 5,393,183.14
  5. Step 5: Solve for x
    x = 5,393,183.14/2,888.56
  6. Step 6: Final answer
    x = 1,867.08

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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.