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Finding the Fourth Proportional to 2,244.10, 3,365.70 and 856.48

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Solution

The fourth proportional to 2,244.10, 3,365.70 and 856.48 is: 1,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,244.10 : 3,365.70 = 856.48 : x
  2. Step 2: Convert to fraction form
    2,244.10/3,365.70 = 856.48/x
  3. Step 3: Cross multiply
    2,244.10x = 3,365.70 × 856.48
  4. Step 4: Simplify right side
    2,244.10x = 2,882,654.74
  5. Step 5: Solve for x
    x = 2,882,654.74/2,244.10
  6. Step 6: Final answer
    x = 1,284.55

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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.