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Finding the Fourth Proportional to 29,988.96, 44,983.52 and 8,100.96

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Solution

The fourth proportional to 29,988.96, 44,983.52 and 8,100.96 is: 12,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,988.96 : 44,983.52 = 8,100.96 : x
  2. Step 2: Convert to fraction form
    29,988.96/44,983.52 = 8,100.96/x
  3. Step 3: Cross multiply
    29,988.96x = 44,983.52 × 8,100.96
  4. Step 4: Simplify right side
    29,988.96x = 364,409,696.18
  5. Step 5: Solve for x
    x = 364,409,696.18/29,988.96
  6. Step 6: Final answer
    x = 12,151.46

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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.