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Finding the Fourth Proportional to 2,009.54, 2,773.15 and 1,125.35

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Solution

The fourth proportional to 2,009.54, 2,773.15 and 1,125.35 is: 1,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009.54 : 2,773.15 = 1,125.35 : x
  2. Step 2: Convert to fraction form
    2,009.54/2,773.15 = 1,125.35/x
  3. Step 3: Cross multiply
    2,009.54x = 2,773.15 × 1,125.35
  4. Step 4: Simplify right side
    2,009.54x = 3,120,764.35
  5. Step 5: Solve for x
    x = 3,120,764.35/2,009.54
  6. Step 6: Final answer
    x = 1,552.97

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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.