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Finding the Fourth Proportional to 34,068, 51,087.40 and 11,874.81

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Solution

The fourth proportional to 34,068, 51,087.40 and 11,874.81 is: 17,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,068 : 51,087.40 = 11,874.81 : x
  2. Step 2: Convert to fraction form
    34,068/51,087.40 = 11,874.81/x
  3. Step 3: Cross multiply
    34,068x = 51,087.40 × 11,874.81
  4. Step 4: Simplify right side
    34,068x = 606,653,168.39
  5. Step 5: Solve for x
    x = 606,653,168.39/34,068
  6. Step 6: Final answer
    x = 17,807.13

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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.