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Finding the Fourth Proportional to 69,307.85, 95,634.22 and 39,091.85

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Solution

The fourth proportional to 69,307.85, 95,634.22 and 39,091.85 is: 53,940.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,307.85 : 95,634.22 = 39,091.85 : x
  2. Step 2: Convert to fraction form
    69,307.85/95,634.22 = 39,091.85/x
  3. Step 3: Cross multiply
    69,307.85x = 95,634.22 × 39,091.85
  4. Step 4: Simplify right side
    69,307.85x = 3,738,518,583.11
  5. Step 5: Solve for x
    x = 3,738,518,583.11/69,307.85
  6. Step 6: Final answer
    x = 53,940.77

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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.