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Finding the Fourth Proportional to 5,991.90, 8,988.95 and 2,480.01

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Solution

The fourth proportional to 5,991.90, 8,988.95 and 2,480.01 is: 3,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.90 : 8,988.95 = 2,480.01 : x
  2. Step 2: Convert to fraction form
    5,991.90/8,988.95 = 2,480.01/x
  3. Step 3: Cross multiply
    5,991.90x = 8,988.95 × 2,480.01
  4. Step 4: Simplify right side
    5,991.90x = 22,292,673.49
  5. Step 5: Solve for x
    x = 22,292,673.49/5,991.90
  6. Step 6: Final answer
    x = 3,720.47

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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.