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Finding the Fourth Proportional to 29,400.40, 44,071.80 and 15,367.60

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Solution

The fourth proportional to 29,400.40, 44,071.80 and 15,367.60 is: 23,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,400.40 : 44,071.80 = 15,367.60 : x
  2. Step 2: Convert to fraction form
    29,400.40/44,071.80 = 15,367.60/x
  3. Step 3: Cross multiply
    29,400.40x = 44,071.80 × 15,367.60
  4. Step 4: Simplify right side
    29,400.40x = 677,277,793.68
  5. Step 5: Solve for x
    x = 677,277,793.68/29,400.40
  6. Step 6: Final answer
    x = 23,036.35

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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.