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Finding the Fourth Proportional to 28,705.44, 43,062.48 and 10,236

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Solution

The fourth proportional to 28,705.44, 43,062.48 and 10,236 is: 15,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705.44 : 43,062.48 = 10,236 : x
  2. Step 2: Convert to fraction form
    28,705.44/43,062.48 = 10,236/x
  3. Step 3: Cross multiply
    28,705.44x = 43,062.48 × 10,236
  4. Step 4: Simplify right side
    28,705.44x = 440,787,545.28
  5. Step 5: Solve for x
    x = 440,787,545.28/28,705.44
  6. Step 6: Final answer
    x = 15,355.54

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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.