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Finding the Fourth Proportional to 2,073.60, 2,859.84 and 1,550.88

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Solution

The fourth proportional to 2,073.60, 2,859.84 and 1,550.88 is: 2,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,073.60 : 2,859.84 = 1,550.88 : x
  2. Step 2: Convert to fraction form
    2,073.60/2,859.84 = 1,550.88/x
  3. Step 3: Cross multiply
    2,073.60x = 2,859.84 × 1,550.88
  4. Step 4: Simplify right side
    2,073.60x = 4,435,268.66
  5. Step 5: Solve for x
    x = 4,435,268.66/2,073.60
  6. Step 6: Final answer
    x = 2,138.92

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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.