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Finding the Fourth Proportional to 69,805.89, 96,334.29 and 39,592.44

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Solution

The fourth proportional to 69,805.89, 96,334.29 and 39,592.44 is: 54,638.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,805.89 : 96,334.29 = 39,592.44 : x
  2. Step 2: Convert to fraction form
    69,805.89/96,334.29 = 39,592.44/x
  3. Step 3: Cross multiply
    69,805.89x = 96,334.29 × 39,592.44
  4. Step 4: Simplify right side
    69,805.89x = 3,814,109,596.77
  5. Step 5: Solve for x
    x = 3,814,109,596.77/69,805.89
  6. Step 6: Final answer
    x = 54,638.79

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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.