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Finding the Fourth Proportional to 29,490.78, 44,235.90 and 11,956.44

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Solution

The fourth proportional to 29,490.78, 44,235.90 and 11,956.44 is: 17,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,490.78 : 44,235.90 = 11,956.44 : x
  2. Step 2: Convert to fraction form
    29,490.78/44,235.90 = 11,956.44/x
  3. Step 3: Cross multiply
    29,490.78x = 44,235.90 × 11,956.44
  4. Step 4: Simplify right side
    29,490.78x = 528,903,884.20
  5. Step 5: Solve for x
    x = 528,903,884.20/29,490.78
  6. Step 6: Final answer
    x = 17,934.55

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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.