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Finding the Fourth Proportional to 63,196.34, 87,215.54 and 36,347.27

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Solution

The fourth proportional to 63,196.34, 87,215.54 and 36,347.27 is: 50,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,196.34 : 87,215.54 = 36,347.27 : x
  2. Step 2: Convert to fraction form
    63,196.34/87,215.54 = 36,347.27/x
  3. Step 3: Cross multiply
    63,196.34x = 87,215.54 × 36,347.27
  4. Step 4: Simplify right side
    63,196.34x = 3,170,046,162.76
  5. Step 5: Solve for x
    x = 3,170,046,162.76/63,196.34
  6. Step 6: Final answer
    x = 50,161.87

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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.