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Finding the Fourth Proportional to 66,522.01, 91,799.67 and 36,307.09

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Solution

The fourth proportional to 66,522.01, 91,799.67 and 36,307.09 is: 50,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,522.01 : 91,799.67 = 36,307.09 : x
  2. Step 2: Convert to fraction form
    66,522.01/91,799.67 = 36,307.09/x
  3. Step 3: Cross multiply
    66,522.01x = 91,799.67 × 36,307.09
  4. Step 4: Simplify right side
    66,522.01x = 3,332,978,880.66
  5. Step 5: Solve for x
    x = 3,332,978,880.66/66,522.01
  6. Step 6: Final answer
    x = 50,103.40

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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.