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Finding the Fourth Proportional to 33,931.69, 50,813.70 and 19,854.70

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Solution

The fourth proportional to 33,931.69, 50,813.70 and 19,854.70 is: 29,733.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,931.69 : 50,813.70 = 19,854.70 : x
  2. Step 2: Convert to fraction form
    33,931.69/50,813.70 = 19,854.70/x
  3. Step 3: Cross multiply
    33,931.69x = 50,813.70 × 19,854.70
  4. Step 4: Simplify right side
    33,931.69x = 1,008,890,769.39
  5. Step 5: Solve for x
    x = 1,008,890,769.39/33,931.69
  6. Step 6: Final answer
    x = 29,733.00

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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.