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Finding the Fourth Proportional to 2,088.48, 2,881.13 and 1,203.96

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Solution

The fourth proportional to 2,088.48, 2,881.13 and 1,203.96 is: 1,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.48 : 2,881.13 = 1,203.96 : x
  2. Step 2: Convert to fraction form
    2,088.48/2,881.13 = 1,203.96/x
  3. Step 3: Cross multiply
    2,088.48x = 2,881.13 × 1,203.96
  4. Step 4: Simplify right side
    2,088.48x = 3,468,759.26
  5. Step 5: Solve for x
    x = 3,468,759.26/2,088.48
  6. Step 6: Final answer
    x = 1,660.90

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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.