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Finding the Fourth Proportional to 67,005.42, 100,510.35 and 33,707.34

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Solution

The fourth proportional to 67,005.42, 100,510.35 and 33,707.34 is: 50,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,005.42 : 100,510.35 = 33,707.34 : x
  2. Step 2: Convert to fraction form
    67,005.42/100,510.35 = 33,707.34/x
  3. Step 3: Cross multiply
    67,005.42x = 100,510.35 × 33,707.34
  4. Step 4: Simplify right side
    67,005.42x = 3,387,936,540.97
  5. Step 5: Solve for x
    x = 3,387,936,540.97/67,005.42
  6. Step 6: Final answer
    x = 50,562.13

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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.