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Finding the Fourth Proportional to 14,671.87, 21,994.13 and 5,306.04

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Solution

The fourth proportional to 14,671.87, 21,994.13 and 5,306.04 is: 7,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.87 : 21,994.13 = 5,306.04 : x
  2. Step 2: Convert to fraction form
    14,671.87/21,994.13 = 5,306.04/x
  3. Step 3: Cross multiply
    14,671.87x = 21,994.13 × 5,306.04
  4. Step 4: Simplify right side
    14,671.87x = 116,701,746.81
  5. Step 5: Solve for x
    x = 116,701,746.81/14,671.87
  6. Step 6: Final answer
    x = 7,954.12

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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.