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Finding the Fourth Proportional to 28,894, 43,341 and 7,006

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Solution

The fourth proportional to 28,894, 43,341 and 7,006 is: 10,509

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894 : 43,341 = 7,006 : x
  2. Step 2: Convert to fraction form
    28,894/43,341 = 7,006/x
  3. Step 3: Cross multiply
    28,894x = 43,341 × 7,006
  4. Step 4: Simplify right side
    28,894x = 303,647,046
  5. Step 5: Solve for x
    x = 303,647,046/28,894
  6. Step 6: Final answer
    x = 10,509

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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.