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Finding the Fourth Proportional to 52,800.66, 72,861.12 and 28,923.48

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Solution

The fourth proportional to 52,800.66, 72,861.12 and 28,923.48 is: 39,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,800.66 : 72,861.12 = 28,923.48 : x
  2. Step 2: Convert to fraction form
    52,800.66/72,861.12 = 28,923.48/x
  3. Step 3: Cross multiply
    52,800.66x = 72,861.12 × 28,923.48
  4. Step 4: Simplify right side
    52,800.66x = 2,107,397,147.10
  5. Step 5: Solve for x
    x = 2,107,397,147.10/52,800.66
  6. Step 6: Final answer
    x = 39,912.33

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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.