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Finding the Fourth Proportional to 14,593.91, 21,872.41 and 7,930.13

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Solution

The fourth proportional to 14,593.91, 21,872.41 and 7,930.13 is: 11,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.91 : 21,872.41 = 7,930.13 : x
  2. Step 2: Convert to fraction form
    14,593.91/21,872.41 = 7,930.13/x
  3. Step 3: Cross multiply
    14,593.91x = 21,872.41 × 7,930.13
  4. Step 4: Simplify right side
    14,593.91x = 173,450,925.53
  5. Step 5: Solve for x
    x = 173,450,925.53/14,593.91
  6. Step 6: Final answer
    x = 11,885.16

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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.