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Finding the Fourth Proportional to 44,615.31, 66,918.40 and 15,033.40

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Solution

The fourth proportional to 44,615.31, 66,918.40 and 15,033.40 is: 22,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,615.31 : 66,918.40 = 15,033.40 : x
  2. Step 2: Convert to fraction form
    44,615.31/66,918.40 = 15,033.40/x
  3. Step 3: Cross multiply
    44,615.31x = 66,918.40 × 15,033.40
  4. Step 4: Simplify right side
    44,615.31x = 1,006,010,954.24
  5. Step 5: Solve for x
    x = 1,006,010,954.24/44,615.31
  6. Step 6: Final answer
    x = 22,548.56

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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.