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Finding the Fourth Proportional to 57,658.14, 79,566.42 and 33,800.70

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Solution

The fourth proportional to 57,658.14, 79,566.42 and 33,800.70 is: 46,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,658.14 : 79,566.42 = 33,800.70 : x
  2. Step 2: Convert to fraction form
    57,658.14/79,566.42 = 33,800.70/x
  3. Step 3: Cross multiply
    57,658.14x = 79,566.42 × 33,800.70
  4. Step 4: Simplify right side
    57,658.14x = 2,689,400,692.49
  5. Step 5: Solve for x
    x = 2,689,400,692.49/57,658.14
  6. Step 6: Final answer
    x = 46,643.90

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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.