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Finding the Fourth Proportional to 33,406.64, 50,119.80 and 10,036.64

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Solution

The fourth proportional to 33,406.64, 50,119.80 and 10,036.64 is: 15,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,406.64 : 50,119.80 = 10,036.64 : x
  2. Step 2: Convert to fraction form
    33,406.64/50,119.80 = 10,036.64/x
  3. Step 3: Cross multiply
    33,406.64x = 50,119.80 × 10,036.64
  4. Step 4: Simplify right side
    33,406.64x = 503,034,389.47
  5. Step 5: Solve for x
    x = 503,034,389.47/33,406.64
  6. Step 6: Final answer
    x = 15,057.92

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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.