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Finding the Fourth Proportional to 45,444, 68,207.36 and 23,272.64

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Solution

The fourth proportional to 45,444, 68,207.36 and 23,272.64 is: 34,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,444 : 68,207.36 = 23,272.64 : x
  2. Step 2: Convert to fraction form
    45,444/68,207.36 = 23,272.64/x
  3. Step 3: Cross multiply
    45,444x = 68,207.36 × 23,272.64
  4. Step 4: Simplify right side
    45,444x = 1,587,365,334.63
  5. Step 5: Solve for x
    x = 1,587,365,334.63/45,444
  6. Step 6: Final answer
    x = 34,930.14

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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.