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Finding the Fourth Proportional to 29,808.40, 44,661.40 and 15,747.60

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Solution

The fourth proportional to 29,808.40, 44,661.40 and 15,747.60 is: 23,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808.40 : 44,661.40 = 15,747.60 : x
  2. Step 2: Convert to fraction form
    29,808.40/44,661.40 = 15,747.60/x
  3. Step 3: Cross multiply
    29,808.40x = 44,661.40 × 15,747.60
  4. Step 4: Simplify right side
    29,808.40x = 703,309,862.64
  5. Step 5: Solve for x
    x = 703,309,862.64/29,808.40
  6. Step 6: Final answer
    x = 23,594.35

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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.