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Finding the Fourth Proportional to 28,834, 43,251.04 and 6,946

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Solution

The fourth proportional to 28,834, 43,251.04 and 6,946 is: 10,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834 : 43,251.04 = 6,946 : x
  2. Step 2: Convert to fraction form
    28,834/43,251.04 = 6,946/x
  3. Step 3: Cross multiply
    28,834x = 43,251.04 × 6,946
  4. Step 4: Simplify right side
    28,834x = 300,421,723.84
  5. Step 5: Solve for x
    x = 300,421,723.84/28,834
  6. Step 6: Final answer
    x = 10,419.01

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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.