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Finding the Fourth Proportional to 58,396.70, 80,587.58 and 33,872.24

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Solution

The fourth proportional to 58,396.70, 80,587.58 and 33,872.24 is: 46,743.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,396.70 : 80,587.58 = 33,872.24 : x
  2. Step 2: Convert to fraction form
    58,396.70/80,587.58 = 33,872.24/x
  3. Step 3: Cross multiply
    58,396.70x = 80,587.58 × 33,872.24
  4. Step 4: Simplify right side
    58,396.70x = 2,729,681,278.48
  5. Step 5: Solve for x
    x = 2,729,681,278.48/58,396.70
  6. Step 6: Final answer
    x = 46,743.76

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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.