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Finding the Fourth Proportional to 71,999.55, 99,396.74 and 52,596.68

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Solution

The fourth proportional to 71,999.55, 99,396.74 and 52,596.68 is: 72,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,999.55 : 99,396.74 = 52,596.68 : x
  2. Step 2: Convert to fraction form
    71,999.55/99,396.74 = 52,596.68/x
  3. Step 3: Cross multiply
    71,999.55x = 99,396.74 × 52,596.68
  4. Step 4: Simplify right side
    71,999.55x = 5,227,937,865.47
  5. Step 5: Solve for x
    x = 5,227,937,865.47/71,999.55
  6. Step 6: Final answer
    x = 72,610.70

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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.