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Finding the Fourth Proportional to 33,407.67, 50,117.13 and 12,347.78

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Solution

The fourth proportional to 33,407.67, 50,117.13 and 12,347.78 is: 18,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,407.67 : 50,117.13 = 12,347.78 : x
  2. Step 2: Convert to fraction form
    33,407.67/50,117.13 = 12,347.78/x
  3. Step 3: Cross multiply
    33,407.67x = 50,117.13 × 12,347.78
  4. Step 4: Simplify right side
    33,407.67x = 618,835,044.89
  5. Step 5: Solve for x
    x = 618,835,044.89/33,407.67
  6. Step 6: Final answer
    x = 18,523.74

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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.