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Finding the Fourth Proportional to 28,892, 43,338 and 7,004

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Solution

The fourth proportional to 28,892, 43,338 and 7,004 is: 10,506

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892 : 43,338 = 7,004 : x
  2. Step 2: Convert to fraction form
    28,892/43,338 = 7,004/x
  3. Step 3: Cross multiply
    28,892x = 43,338 × 7,004
  4. Step 4: Simplify right side
    28,892x = 303,539,352
  5. Step 5: Solve for x
    x = 303,539,352/28,892
  6. Step 6: Final answer
    x = 10,506

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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.