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Finding the Fourth Proportional to 43,603.92, 65,392.92 and 15,904.08

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Solution

The fourth proportional to 43,603.92, 65,392.92 and 15,904.08 is: 23,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,603.92 : 65,392.92 = 15,904.08 : x
  2. Step 2: Convert to fraction form
    43,603.92/65,392.92 = 15,904.08/x
  3. Step 3: Cross multiply
    43,603.92x = 65,392.92 × 15,904.08
  4. Step 4: Simplify right side
    43,603.92x = 1,040,014,231.11
  5. Step 5: Solve for x
    x = 1,040,014,231.11/43,603.92
  6. Step 6: Final answer
    x = 23,851.39

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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.