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Finding the Fourth Proportional to 32,787.80, 49,108.80 and 25,368.20

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Solution

The fourth proportional to 32,787.80, 49,108.80 and 25,368.20 is: 37,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,787.80 : 49,108.80 = 25,368.20 : x
  2. Step 2: Convert to fraction form
    32,787.80/49,108.80 = 25,368.20/x
  3. Step 3: Cross multiply
    32,787.80x = 49,108.80 × 25,368.20
  4. Step 4: Simplify right side
    32,787.80x = 1,245,801,860.16
  5. Step 5: Solve for x
    x = 1,245,801,860.16/32,787.80
  6. Step 6: Final answer
    x = 37,995.90

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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.