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Finding the Fourth Proportional to 19,955.41, 29,934.02 and 6,807.89

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Solution

The fourth proportional to 19,955.41, 29,934.02 and 6,807.89 is: 10,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.41 : 29,934.02 = 6,807.89 : x
  2. Step 2: Convert to fraction form
    19,955.41/29,934.02 = 6,807.89/x
  3. Step 3: Cross multiply
    19,955.41x = 29,934.02 × 6,807.89
  4. Step 4: Simplify right side
    19,955.41x = 203,787,607.27
  5. Step 5: Solve for x
    x = 203,787,607.27/19,955.41
  6. Step 6: Final answer
    x = 10,212.15

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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.