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Finding the Fourth Proportional to 29,876.80, 44,750.40 and 16,009.60

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Solution

The fourth proportional to 29,876.80, 44,750.40 and 16,009.60 is: 23,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,876.80 : 44,750.40 = 16,009.60 : x
  2. Step 2: Convert to fraction form
    29,876.80/44,750.40 = 16,009.60/x
  3. Step 3: Cross multiply
    29,876.80x = 44,750.40 × 16,009.60
  4. Step 4: Simplify right side
    29,876.80x = 716,436,003.84
  5. Step 5: Solve for x
    x = 716,436,003.84/29,876.80
  6. Step 6: Final answer
    x = 23,979.68

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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.