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Finding the Fourth Proportional to 71,999.72, 99,396.96 and 52,596.84

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Solution

The fourth proportional to 71,999.72, 99,396.96 and 52,596.84 is: 72,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,999.72 : 99,396.96 = 52,596.84 : x
  2. Step 2: Convert to fraction form
    71,999.72/99,396.96 = 52,596.84/x
  3. Step 3: Cross multiply
    71,999.72x = 99,396.96 × 52,596.84
  4. Step 4: Simplify right side
    71,999.72x = 5,227,965,738.62
  5. Step 5: Solve for x
    x = 5,227,965,738.62/71,999.72
  6. Step 6: Final answer
    x = 72,610.92

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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.