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Finding the Fourth Proportional to 9,205.70, 13,792.35 and 7,553.30

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Solution

The fourth proportional to 9,205.70, 13,792.35 and 7,553.30 is: 11,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.70 : 13,792.35 = 7,553.30 : x
  2. Step 2: Convert to fraction form
    9,205.70/13,792.35 = 7,553.30/x
  3. Step 3: Cross multiply
    9,205.70x = 13,792.35 × 7,553.30
  4. Step 4: Simplify right side
    9,205.70x = 104,177,757.26
  5. Step 5: Solve for x
    x = 104,177,757.26/9,205.70
  6. Step 6: Final answer
    x = 11,316.66

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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.