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Finding the Fourth Proportional to 29,787.77, 44,674.84 and 17,783.31

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Solution

The fourth proportional to 29,787.77, 44,674.84 and 17,783.31 is: 26,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,787.77 : 44,674.84 = 17,783.31 : x
  2. Step 2: Convert to fraction form
    29,787.77/44,674.84 = 17,783.31/x
  3. Step 3: Cross multiply
    29,787.77x = 44,674.84 × 17,783.31
  4. Step 4: Simplify right side
    29,787.77x = 794,466,718.68
  5. Step 5: Solve for x
    x = 794,466,718.68/29,787.77
  6. Step 6: Final answer
    x = 26,670.91

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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.