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Finding the Fourth Proportional to 9,469.88, 13,069.02 and 5,220.92

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Solution

The fourth proportional to 9,469.88, 13,069.02 and 5,220.92 is: 7,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,469.88 : 13,069.02 = 5,220.92 : x
  2. Step 2: Convert to fraction form
    9,469.88/13,069.02 = 5,220.92/x
  3. Step 3: Cross multiply
    9,469.88x = 13,069.02 × 5,220.92
  4. Step 4: Simplify right side
    9,469.88x = 68,232,307.90
  5. Step 5: Solve for x
    x = 68,232,307.90/9,469.88
  6. Step 6: Final answer
    x = 7,205.19

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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.