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Finding the Fourth Proportional to 28,904.52, 43,356.76 and 7,016.52

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Solution

The fourth proportional to 28,904.52, 43,356.76 and 7,016.52 is: 10,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.52 : 43,356.76 = 7,016.52 : x
  2. Step 2: Convert to fraction form
    28,904.52/43,356.76 = 7,016.52/x
  3. Step 3: Cross multiply
    28,904.52x = 43,356.76 × 7,016.52
  4. Step 4: Simplify right side
    28,904.52x = 304,213,573.68
  5. Step 5: Solve for x
    x = 304,213,573.68/28,904.52
  6. Step 6: Final answer
    x = 10,524.78

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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.