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Finding the Fourth Proportional to 5,374.80, 8,062.02 and 2,088.63

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Solution

The fourth proportional to 5,374.80, 8,062.02 and 2,088.63 is: 3,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.80 : 8,062.02 = 2,088.63 : x
  2. Step 2: Convert to fraction form
    5,374.80/8,062.02 = 2,088.63/x
  3. Step 3: Cross multiply
    5,374.80x = 8,062.02 × 2,088.63
  4. Step 4: Simplify right side
    5,374.80x = 16,838,576.83
  5. Step 5: Solve for x
    x = 16,838,576.83/5,374.80
  6. Step 6: Final answer
    x = 3,132.88

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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.