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Finding the Fourth Proportional to 2,871.79, 4,304.01 and 2,500.08

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Solution

The fourth proportional to 2,871.79, 4,304.01 and 2,500.08 is: 3,746.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,871.79 : 4,304.01 = 2,500.08 : x
  2. Step 2: Convert to fraction form
    2,871.79/4,304.01 = 2,500.08/x
  3. Step 3: Cross multiply
    2,871.79x = 4,304.01 × 2,500.08
  4. Step 4: Simplify right side
    2,871.79x = 10,760,369.32
  5. Step 5: Solve for x
    x = 10,760,369.32/2,871.79
  6. Step 6: Final answer
    x = 3,746.92

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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.