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Finding the Fourth Proportional to 63,236.70, 87,262.86 and 34,550.64

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Solution

The fourth proportional to 63,236.70, 87,262.86 and 34,550.64 is: 47,677.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,236.70 : 87,262.86 = 34,550.64 : x
  2. Step 2: Convert to fraction form
    63,236.70/87,262.86 = 34,550.64/x
  3. Step 3: Cross multiply
    63,236.70x = 87,262.86 × 34,550.64
  4. Step 4: Simplify right side
    63,236.70x = 3,014,987,661.23
  5. Step 5: Solve for x
    x = 3,014,987,661.23/63,236.70
  6. Step 6: Final answer
    x = 47,677.81

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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.