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Finding the Fourth Proportional to 5,985.68, 8,978.61 and 3,062.18

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Solution

The fourth proportional to 5,985.68, 8,978.61 and 3,062.18 is: 4,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.68 : 8,978.61 = 3,062.18 : x
  2. Step 2: Convert to fraction form
    5,985.68/8,978.61 = 3,062.18/x
  3. Step 3: Cross multiply
    5,985.68x = 8,978.61 × 3,062.18
  4. Step 4: Simplify right side
    5,985.68x = 27,494,075.08
  5. Step 5: Solve for x
    x = 27,494,075.08/5,985.68
  6. Step 6: Final answer
    x = 4,593.31

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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.