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Finding the Fourth Proportional to 60,641.44, 90,979.44 and 44,018.08

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Solution

The fourth proportional to 60,641.44, 90,979.44 and 44,018.08 is: 66,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,641.44 : 90,979.44 = 44,018.08 : x
  2. Step 2: Convert to fraction form
    60,641.44/90,979.44 = 44,018.08/x
  3. Step 3: Cross multiply
    60,641.44x = 90,979.44 × 44,018.08
  4. Step 4: Simplify right side
    60,641.44x = 4,004,740,268.28
  5. Step 5: Solve for x
    x = 4,004,740,268.28/60,641.44
  6. Step 6: Final answer
    x = 66,039.66

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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.