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Finding the Fourth Proportional to 2,873.84, 4,308.45 and 2,710.88

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Solution

The fourth proportional to 2,873.84, 4,308.45 and 2,710.88 is: 4,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.84 : 4,308.45 = 2,710.88 : x
  2. Step 2: Convert to fraction form
    2,873.84/4,308.45 = 2,710.88/x
  3. Step 3: Cross multiply
    2,873.84x = 4,308.45 × 2,710.88
  4. Step 4: Simplify right side
    2,873.84x = 11,679,690.94
  5. Step 5: Solve for x
    x = 11,679,690.94/2,873.84
  6. Step 6: Final answer
    x = 4,064.14

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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.