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Finding the Fourth Proportional to 44,618.22, 66,913.68 and 15,028.12

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Solution

The fourth proportional to 44,618.22, 66,913.68 and 15,028.12 is: 22,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,618.22 : 66,913.68 = 15,028.12 : x
  2. Step 2: Convert to fraction form
    44,618.22/66,913.68 = 15,028.12/x
  3. Step 3: Cross multiply
    44,618.22x = 66,913.68 × 15,028.12
  4. Step 4: Simplify right side
    44,618.22x = 1,005,586,812.68
  5. Step 5: Solve for x
    x = 1,005,586,812.68/44,618.22
  6. Step 6: Final answer
    x = 22,537.58

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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.