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Finding the Fourth Proportional to 57,787.94, 79,693.98 and 44,359.76

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Solution

The fourth proportional to 57,787.94, 79,693.98 and 44,359.76 is: 61,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,787.94 : 79,693.98 = 44,359.76 : x
  2. Step 2: Convert to fraction form
    57,787.94/79,693.98 = 44,359.76/x
  3. Step 3: Cross multiply
    57,787.94x = 79,693.98 × 44,359.76
  4. Step 4: Simplify right side
    57,787.94x = 3,535,205,427.77
  5. Step 5: Solve for x
    x = 3,535,205,427.77/57,787.94
  6. Step 6: Final answer
    x = 61,175.49

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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.