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Finding the Fourth Proportional to 7,522.88, 11,204.77 and 7,127.60

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Solution

The fourth proportional to 7,522.88, 11,204.77 and 7,127.60 is: 10,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,522.88 : 11,204.77 = 7,127.60 : x
  2. Step 2: Convert to fraction form
    7,522.88/11,204.77 = 7,127.60/x
  3. Step 3: Cross multiply
    7,522.88x = 11,204.77 × 7,127.60
  4. Step 4: Simplify right side
    7,522.88x = 79,863,118.65
  5. Step 5: Solve for x
    x = 79,863,118.65/7,522.88
  6. Step 6: Final answer
    x = 10,616.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.