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Finding the Fourth Proportional to 33,407.40, 50,111.10 and 15,911.40

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Solution

The fourth proportional to 33,407.40, 50,111.10 and 15,911.40 is: 23,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,407.40 : 50,111.10 = 15,911.40 : x
  2. Step 2: Convert to fraction form
    33,407.40/50,111.10 = 15,911.40/x
  3. Step 3: Cross multiply
    33,407.40x = 50,111.10 × 15,911.40
  4. Step 4: Simplify right side
    33,407.40x = 797,337,756.54
  5. Step 5: Solve for x
    x = 797,337,756.54/33,407.40
  6. Step 6: Final answer
    x = 23,867.10

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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.