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Finding the Fourth Proportional to 57,497.83, 79,337.12 and 52,847.12

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Solution

The fourth proportional to 57,497.83, 79,337.12 and 52,847.12 is: 72,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,497.83 : 79,337.12 = 52,847.12 : x
  2. Step 2: Convert to fraction form
    57,497.83/79,337.12 = 52,847.12/x
  3. Step 3: Cross multiply
    57,497.83x = 79,337.12 × 52,847.12
  4. Step 4: Simplify right side
    57,497.83x = 4,192,738,235.20
  5. Step 5: Solve for x
    x = 4,192,738,235.20/57,497.83
  6. Step 6: Final answer
    x = 72,919.94

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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.