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Finding the Fourth Proportional to 58,591, 80,859.90 and 36,239.32

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Solution

The fourth proportional to 58,591, 80,859.90 and 36,239.32 is: 50,012.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,591 : 80,859.90 = 36,239.32 : x
  2. Step 2: Convert to fraction form
    58,591/80,859.90 = 36,239.32/x
  3. Step 3: Cross multiply
    58,591x = 80,859.90 × 36,239.32
  4. Step 4: Simplify right side
    58,591x = 2,930,307,791.27
  5. Step 5: Solve for x
    x = 2,930,307,791.27/58,591
  6. Step 6: Final answer
    x = 50,012.93

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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.