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Finding the Fourth Proportional to 10,671.25, 14,726.72 and 5,956.44

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Solution

The fourth proportional to 10,671.25, 14,726.72 and 5,956.44 is: 8,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.25 : 14,726.72 = 5,956.44 : x
  2. Step 2: Convert to fraction form
    10,671.25/14,726.72 = 5,956.44/x
  3. Step 3: Cross multiply
    10,671.25x = 14,726.72 × 5,956.44
  4. Step 4: Simplify right side
    10,671.25x = 87,718,838.97
  5. Step 5: Solve for x
    x = 87,718,838.97/10,671.25
  6. Step 6: Final answer
    x = 8,220.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.