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Finding the Fourth Proportional to 5,671.62, 8,510.00 and 2,896.88

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Solution

The fourth proportional to 5,671.62, 8,510.00 and 2,896.88 is: 4,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.62 : 8,510.00 = 2,896.88 : x
  2. Step 2: Convert to fraction form
    5,671.62/8,510.00 = 2,896.88/x
  3. Step 3: Cross multiply
    5,671.62x = 8,510.00 × 2,896.88
  4. Step 4: Simplify right side
    5,671.62x = 24,652,391.77
  5. Step 5: Solve for x
    x = 24,652,391.77/5,671.62
  6. Step 6: Final answer
    x = 4,346.62

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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.