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Finding the Fourth Proportional to 14,640.18, 21,954.93 and 6,316.62

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Solution

The fourth proportional to 14,640.18, 21,954.93 and 6,316.62 is: 9,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.18 : 21,954.93 = 6,316.62 : x
  2. Step 2: Convert to fraction form
    14,640.18/21,954.93 = 6,316.62/x
  3. Step 3: Cross multiply
    14,640.18x = 21,954.93 × 6,316.62
  4. Step 4: Simplify right side
    14,640.18x = 138,680,949.94
  5. Step 5: Solve for x
    x = 138,680,949.94/14,640.18
  6. Step 6: Final answer
    x = 9,472.63

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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.