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Finding the Fourth Proportional to 14,604.84, 21,911.04 and 8,371.89

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Solution

The fourth proportional to 14,604.84, 21,911.04 and 8,371.89 is: 12,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.84 : 21,911.04 = 8,371.89 : x
  2. Step 2: Convert to fraction form
    14,604.84/21,911.04 = 8,371.89/x
  3. Step 3: Cross multiply
    14,604.84x = 21,911.04 × 8,371.89
  4. Step 4: Simplify right side
    14,604.84x = 183,436,816.67
  5. Step 5: Solve for x
    x = 183,436,816.67/14,604.84
  6. Step 6: Final answer
    x = 12,560.00

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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.