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Finding the Fourth Proportional to 69,751.98, 96,266.59 and 39,542.22

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Solution

The fourth proportional to 69,751.98, 96,266.59 and 39,542.22 is: 54,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,751.98 : 96,266.59 = 39,542.22 : x
  2. Step 2: Convert to fraction form
    69,751.98/96,266.59 = 39,542.22/x
  3. Step 3: Cross multiply
    69,751.98x = 96,266.59 × 39,542.22
  4. Step 4: Simplify right side
    69,751.98x = 3,806,594,680.43
  5. Step 5: Solve for x
    x = 3,806,594,680.43/69,751.98
  6. Step 6: Final answer
    x = 54,573.28

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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.