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Finding the Fourth Proportional to 14,991.84, 22,480.80 and 8,753.70

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Solution

The fourth proportional to 14,991.84, 22,480.80 and 8,753.70 is: 13,126.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.84 : 22,480.80 = 8,753.70 : x
  2. Step 2: Convert to fraction form
    14,991.84/22,480.80 = 8,753.70/x
  3. Step 3: Cross multiply
    14,991.84x = 22,480.80 × 8,753.70
  4. Step 4: Simplify right side
    14,991.84x = 196,790,178.96
  5. Step 5: Solve for x
    x = 196,790,178.96/14,991.84
  6. Step 6: Final answer
    x = 13,126.49

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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.