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Finding the Fourth Proportional to 44,442.88, 66,688.92 and 26,629.78

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Solution

The fourth proportional to 44,442.88, 66,688.92 and 26,629.78 is: 39,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,442.88 : 66,688.92 = 26,629.78 : x
  2. Step 2: Convert to fraction form
    44,442.88/66,688.92 = 26,629.78/x
  3. Step 3: Cross multiply
    44,442.88x = 66,688.92 × 26,629.78
  4. Step 4: Simplify right side
    44,442.88x = 1,775,911,268.04
  5. Step 5: Solve for x
    x = 1,775,911,268.04/44,442.88
  6. Step 6: Final answer
    x = 39,959.41

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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.