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Finding the Fourth Proportional to 2,244.70, 3,367.06 and 783.86

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Solution

The fourth proportional to 2,244.70, 3,367.06 and 783.86 is: 1,175.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,244.70 : 3,367.06 = 783.86 : x
  2. Step 2: Convert to fraction form
    2,244.70/3,367.06 = 783.86/x
  3. Step 3: Cross multiply
    2,244.70x = 3,367.06 × 783.86
  4. Step 4: Simplify right side
    2,244.70x = 2,639,303.65
  5. Step 5: Solve for x
    x = 2,639,303.65/2,244.70
  6. Step 6: Final answer
    x = 1,175.79

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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.