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Finding the Fourth Proportional to 14,910.78, 22,366.20 and 6,702.78

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Solution

The fourth proportional to 14,910.78, 22,366.20 and 6,702.78 is: 10,054.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.78 : 22,366.20 = 6,702.78 : x
  2. Step 2: Convert to fraction form
    14,910.78/22,366.20 = 6,702.78/x
  3. Step 3: Cross multiply
    14,910.78x = 22,366.20 × 6,702.78
  4. Step 4: Simplify right side
    14,910.78x = 149,915,718.04
  5. Step 5: Solve for x
    x = 149,915,718.04/14,910.78
  6. Step 6: Final answer
    x = 10,054.18

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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.