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Finding the Fourth Proportional to 33,854.40, 50,707.36 and 21,966.40

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Solution

The fourth proportional to 33,854.40, 50,707.36 and 21,966.40 is: 32,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,854.40 : 50,707.36 = 21,966.40 : x
  2. Step 2: Convert to fraction form
    33,854.40/50,707.36 = 21,966.40/x
  3. Step 3: Cross multiply
    33,854.40x = 50,707.36 × 21,966.40
  4. Step 4: Simplify right side
    33,854.40x = 1,113,858,152.70
  5. Step 5: Solve for x
    x = 1,113,858,152.70/33,854.40
  6. Step 6: Final answer
    x = 32,901.43

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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.