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Finding the Fourth Proportional to 28,843.92, 43,187.70 and 14,963.76

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Solution

The fourth proportional to 28,843.92, 43,187.70 and 14,963.76 is: 22,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843.92 : 43,187.70 = 14,963.76 : x
  2. Step 2: Convert to fraction form
    28,843.92/43,187.70 = 14,963.76/x
  3. Step 3: Cross multiply
    28,843.92x = 43,187.70 × 14,963.76
  4. Step 4: Simplify right side
    28,843.92x = 646,250,377.75
  5. Step 5: Solve for x
    x = 646,250,377.75/28,843.92
  6. Step 6: Final answer
    x = 22,405.08

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1.5x scale

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.