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Finding the Fourth Proportional to 27,335.83, 40,853.97 and 19,955.83

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Solution

The fourth proportional to 27,335.83, 40,853.97 and 19,955.83 is: 29,824.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,335.83 : 40,853.97 = 19,955.83 : x
  2. Step 2: Convert to fraction form
    27,335.83/40,853.97 = 19,955.83/x
  3. Step 3: Cross multiply
    27,335.83x = 40,853.97 × 19,955.83
  4. Step 4: Simplify right side
    27,335.83x = 815,274,880.15
  5. Step 5: Solve for x
    x = 815,274,880.15/27,335.83
  6. Step 6: Final answer
    x = 29,824.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.