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Finding the Fourth Proportional to 29,529.78, 40,750.80 and 16,101

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Solution

The fourth proportional to 29,529.78, 40,750.80 and 16,101 is: 22,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,529.78 : 40,750.80 = 16,101 : x
  2. Step 2: Convert to fraction form
    29,529.78/40,750.80 = 16,101/x
  3. Step 3: Cross multiply
    29,529.78x = 40,750.80 × 16,101
  4. Step 4: Simplify right side
    29,529.78x = 656,128,630.80
  5. Step 5: Solve for x
    x = 656,128,630.80/29,529.78
  6. Step 6: Final answer
    x = 22,219.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.