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Finding the Fourth Proportional to 2,088.74, 2,882.43 and 1,144.55

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Solution

The fourth proportional to 2,088.74, 2,882.43 and 1,144.55 is: 1,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.74 : 2,882.43 = 1,144.55 : x
  2. Step 2: Convert to fraction form
    2,088.74/2,882.43 = 1,144.55/x
  3. Step 3: Cross multiply
    2,088.74x = 2,882.43 × 1,144.55
  4. Step 4: Simplify right side
    2,088.74x = 3,299,070.84
  5. Step 5: Solve for x
    x = 3,299,070.84/2,088.74
  6. Step 6: Final answer
    x = 1,579.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.