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Finding the Fourth Proportional to 29,631.78, 44,454.90 and 8,855.28

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Solution

The fourth proportional to 29,631.78, 44,454.90 and 8,855.28 is: 13,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,631.78 : 44,454.90 = 8,855.28 : x
  2. Step 2: Convert to fraction form
    29,631.78/44,454.90 = 8,855.28/x
  3. Step 3: Cross multiply
    29,631.78x = 44,454.90 × 8,855.28
  4. Step 4: Simplify right side
    29,631.78x = 393,660,586.87
  5. Step 5: Solve for x
    x = 393,660,586.87/29,631.78
  6. Step 6: Final answer
    x = 13,285.08

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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.