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Finding the Fourth Proportional to 33,251.84, 45,881.20 and 19,824.32

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Solution

The fourth proportional to 33,251.84, 45,881.20 and 19,824.32 is: 27,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,251.84 : 45,881.20 = 19,824.32 : x
  2. Step 2: Convert to fraction form
    33,251.84/45,881.20 = 19,824.32/x
  3. Step 3: Cross multiply
    33,251.84x = 45,881.20 × 19,824.32
  4. Step 4: Simplify right side
    33,251.84x = 909,563,590.78
  5. Step 5: Solve for x
    x = 909,563,590.78/33,251.84
  6. Step 6: Final answer
    x = 27,353.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.