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Finding the Fourth Proportional to 9,855.68, 14,791.07 and 4,017.20

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Solution

The fourth proportional to 9,855.68, 14,791.07 and 4,017.20 is: 6,028.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.68 : 14,791.07 = 4,017.20 : x
  2. Step 2: Convert to fraction form
    9,855.68/14,791.07 = 4,017.20/x
  3. Step 3: Cross multiply
    9,855.68x = 14,791.07 × 4,017.20
  4. Step 4: Simplify right side
    9,855.68x = 59,418,622.49
  5. Step 5: Solve for x
    x = 59,418,622.49/9,855.68
  6. Step 6: Final answer
    x = 6,028.87

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1.5x scale

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.