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Finding the Fourth Proportional to 5,368.70, 8,043.65 and 3,726.29

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Solution

The fourth proportional to 5,368.70, 8,043.65 and 3,726.29 is: 5,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.70 : 8,043.65 = 3,726.29 : x
  2. Step 2: Convert to fraction form
    5,368.70/8,043.65 = 3,726.29/x
  3. Step 3: Cross multiply
    5,368.70x = 8,043.65 × 3,726.29
  4. Step 4: Simplify right side
    5,368.70x = 29,972,913.71
  5. Step 5: Solve for x
    x = 29,972,913.71/5,368.70
  6. Step 6: Final answer
    x = 5,582.90

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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.