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Finding the Fourth Proportional to 67,609.74, 101,383.82 and 36,011.76

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Solution

The fourth proportional to 67,609.74, 101,383.82 and 36,011.76 is: 54,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,609.74 : 101,383.82 = 36,011.76 : x
  2. Step 2: Convert to fraction form
    67,609.74/101,383.82 = 36,011.76/x
  3. Step 3: Cross multiply
    67,609.74x = 101,383.82 × 36,011.76
  4. Step 4: Simplify right side
    67,609.74x = 3,651,009,793.72
  5. Step 5: Solve for x
    x = 3,651,009,793.72/67,609.74
  6. Step 6: Final answer
    x = 54,001.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.