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Finding the Fourth Proportional to 4,702.83, 7,043.02 and 2,724.27

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Solution

The fourth proportional to 4,702.83, 7,043.02 and 2,724.27 is: 4,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.83 : 7,043.02 = 2,724.27 : x
  2. Step 2: Convert to fraction form
    4,702.83/7,043.02 = 2,724.27/x
  3. Step 3: Cross multiply
    4,702.83x = 7,043.02 × 2,724.27
  4. Step 4: Simplify right side
    4,702.83x = 19,187,088.10
  5. Step 5: Solve for x
    x = 19,187,088.10/4,702.83
  6. Step 6: Final answer
    x = 4,079.90

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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.