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Finding the Fourth Proportional to 33,683.61, 50,510.81 and 17,885.21

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Solution

The fourth proportional to 33,683.61, 50,510.81 and 17,885.21 is: 26,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,683.61 : 50,510.81 = 17,885.21 : x
  2. Step 2: Convert to fraction form
    33,683.61/50,510.81 = 17,885.21/x
  3. Step 3: Cross multiply
    33,683.61x = 50,510.81 × 17,885.21
  4. Step 4: Simplify right side
    33,683.61x = 903,396,135.67
  5. Step 5: Solve for x
    x = 903,396,135.67/33,683.61
  6. Step 6: Final answer
    x = 26,820.05

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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.