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Finding the Fourth Proportional to 32,436.75, 48,576.75 and 15,755.61

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Solution

The fourth proportional to 32,436.75, 48,576.75 and 15,755.61 is: 23,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,436.75 : 48,576.75 = 15,755.61 : x
  2. Step 2: Convert to fraction form
    32,436.75/48,576.75 = 15,755.61/x
  3. Step 3: Cross multiply
    32,436.75x = 48,576.75 × 15,755.61
  4. Step 4: Simplify right side
    32,436.75x = 765,356,328.07
  5. Step 5: Solve for x
    x = 765,356,328.07/32,436.75
  6. Step 6: Final answer
    x = 23,595.35

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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.