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Finding the Fourth Proportional to 64,215.52, 88,626.82 and 36,986.37

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Solution

The fourth proportional to 64,215.52, 88,626.82 and 36,986.37 is: 51,046.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,215.52 : 88,626.82 = 36,986.37 : x
  2. Step 2: Convert to fraction form
    64,215.52/88,626.82 = 36,986.37/x
  3. Step 3: Cross multiply
    64,215.52x = 88,626.82 × 36,986.37
  4. Step 4: Simplify right side
    64,215.52x = 3,277,984,356.44
  5. Step 5: Solve for x
    x = 3,277,984,356.44/64,215.52
  6. Step 6: Final answer
    x = 51,046.61

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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.