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Finding the Fourth Proportional to 29,787.87, 44,693.39 and 13,136.16

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Solution

The fourth proportional to 29,787.87, 44,693.39 and 13,136.16 is: 19,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,787.87 : 44,693.39 = 13,136.16 : x
  2. Step 2: Convert to fraction form
    29,787.87/44,693.39 = 13,136.16/x
  3. Step 3: Cross multiply
    29,787.87x = 44,693.39 × 13,136.16
  4. Step 4: Simplify right side
    29,787.87x = 587,099,521.98
  5. Step 5: Solve for x
    x = 587,099,521.98/29,787.87
  6. Step 6: Final answer
    x = 19,709.35

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1.5x scale

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.