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Finding the Fourth Proportional to 35,873.40, 49,505.12 and 19,956.92

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Solution

The fourth proportional to 35,873.40, 49,505.12 and 19,956.92 is: 27,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,873.40 : 49,505.12 = 19,956.92 : x
  2. Step 2: Convert to fraction form
    35,873.40/49,505.12 = 19,956.92/x
  3. Step 3: Cross multiply
    35,873.40x = 49,505.12 × 19,956.92
  4. Step 4: Simplify right side
    35,873.40x = 987,969,719.43
  5. Step 5: Solve for x
    x = 987,969,719.43/35,873.40
  6. Step 6: Final answer
    x = 27,540.45

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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.