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Finding the Fourth Proportional to 14,466, 21,683.88 and 6,679.92

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Solution

The fourth proportional to 14,466, 21,683.88 and 6,679.92 is: 10,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,466 : 21,683.88 = 6,679.92 : x
  2. Step 2: Convert to fraction form
    14,466/21,683.88 = 6,679.92/x
  3. Step 3: Cross multiply
    14,466x = 21,683.88 × 6,679.92
  4. Step 4: Simplify right side
    14,466x = 144,846,583.69
  5. Step 5: Solve for x
    x = 144,846,583.69/14,466
  6. Step 6: Final answer
    x = 10,012.90

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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.