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Finding the Fourth Proportional to 44,580.78, 61,517.88 and 25,719.12

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Solution

The fourth proportional to 44,580.78, 61,517.88 and 25,719.12 is: 35,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,580.78 : 61,517.88 = 25,719.12 : x
  2. Step 2: Convert to fraction form
    44,580.78/61,517.88 = 25,719.12/x
  3. Step 3: Cross multiply
    44,580.78x = 61,517.88 × 25,719.12
  4. Step 4: Simplify right side
    44,580.78x = 1,582,185,737.87
  5. Step 5: Solve for x
    x = 1,582,185,737.87/44,580.78
  6. Step 6: Final answer
    x = 35,490.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.