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Finding the Fourth Proportional to 57,671.39, 79,586.57 and 33,798.08

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Solution

The fourth proportional to 57,671.39, 79,586.57 and 33,798.08 is: 46,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,671.39 : 79,586.57 = 33,798.08 : x
  2. Step 2: Convert to fraction form
    57,671.39/79,586.57 = 33,798.08/x
  3. Step 3: Cross multiply
    57,671.39x = 79,586.57 × 33,798.08
  4. Step 4: Simplify right side
    57,671.39x = 2,689,872,692.86
  5. Step 5: Solve for x
    x = 2,689,872,692.86/57,671.39
  6. Step 6: Final answer
    x = 46,641.37

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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.