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Finding the Fourth Proportional to 29,364.78, 44,046.79 and 7,178.35

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Solution

The fourth proportional to 29,364.78, 44,046.79 and 7,178.35 is: 10,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,364.78 : 44,046.79 = 7,178.35 : x
  2. Step 2: Convert to fraction form
    29,364.78/44,046.79 = 7,178.35/x
  3. Step 3: Cross multiply
    29,364.78x = 44,046.79 × 7,178.35
  4. Step 4: Simplify right side
    29,364.78x = 316,183,018.87
  5. Step 5: Solve for x
    x = 316,183,018.87/29,364.78
  6. Step 6: Final answer
    x = 10,767.43

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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.