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Finding the Fourth Proportional to 58,590, 80,858.52 and 36,238.32

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Solution

The fourth proportional to 58,590, 80,858.52 and 36,238.32 is: 50,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,590 : 80,858.52 = 36,238.32 : x
  2. Step 2: Convert to fraction form
    58,590/80,858.52 = 36,238.32/x
  3. Step 3: Cross multiply
    58,590x = 80,858.52 × 36,238.32
  4. Step 4: Simplify right side
    58,590x = 2,930,176,922.49
  5. Step 5: Solve for x
    x = 2,930,176,922.49/58,590
  6. Step 6: Final answer
    x = 50,011.55

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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.