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Finding the Fourth Proportional to 5,806.78, 8,731.18 and 5,350.07

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Solution

The fourth proportional to 5,806.78, 8,731.18 and 5,350.07 is: 8,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806.78 : 8,731.18 = 5,350.07 : x
  2. Step 2: Convert to fraction form
    5,806.78/8,731.18 = 5,350.07/x
  3. Step 3: Cross multiply
    5,806.78x = 8,731.18 × 5,350.07
  4. Step 4: Simplify right side
    5,806.78x = 46,712,424.18
  5. Step 5: Solve for x
    x = 46,712,424.18/5,806.78
  6. Step 6: Final answer
    x = 8,044.46

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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.