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Finding the Fourth Proportional to 33,154.52, 49,713.60 and 13,143.74

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Solution

The fourth proportional to 33,154.52, 49,713.60 and 13,143.74 is: 19,708.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,154.52 : 49,713.60 = 13,143.74 : x
  2. Step 2: Convert to fraction form
    33,154.52/49,713.60 = 13,143.74/x
  3. Step 3: Cross multiply
    33,154.52x = 49,713.60 × 13,143.74
  4. Step 4: Simplify right side
    33,154.52x = 653,422,318.58
  5. Step 5: Solve for x
    x = 653,422,318.58/33,154.52
  6. Step 6: Final answer
    x = 19,708.40

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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.