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Finding the Fourth Proportional to 8,862.80, 13,290.14 and 3,017.03

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Solution

The fourth proportional to 8,862.80, 13,290.14 and 3,017.03 is: 4,524.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.80 : 13,290.14 = 3,017.03 : x
  2. Step 2: Convert to fraction form
    8,862.80/13,290.14 = 3,017.03/x
  3. Step 3: Cross multiply
    8,862.80x = 13,290.14 × 3,017.03
  4. Step 4: Simplify right side
    8,862.80x = 40,096,736.00
  5. Step 5: Solve for x
    x = 40,096,736.00/8,862.80
  6. Step 6: Final answer
    x = 4,524.16

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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.