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Finding the Fourth Proportional to 7,163.04, 9,885.52 and 4,369.04

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Solution

The fourth proportional to 7,163.04, 9,885.52 and 4,369.04 is: 6,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.04 : 9,885.52 = 4,369.04 : x
  2. Step 2: Convert to fraction form
    7,163.04/9,885.52 = 4,369.04/x
  3. Step 3: Cross multiply
    7,163.04x = 9,885.52 × 4,369.04
  4. Step 4: Simplify right side
    7,163.04x = 43,190,232.30
  5. Step 5: Solve for x
    x = 43,190,232.30/7,163.04
  6. Step 6: Final answer
    x = 6,029.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.