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Finding the Fourth Proportional to 14,079.84, 21,101.10 and 7,491.84

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Solution

The fourth proportional to 14,079.84, 21,101.10 and 7,491.84 is: 11,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.84 : 21,101.10 = 7,491.84 : x
  2. Step 2: Convert to fraction form
    14,079.84/21,101.10 = 7,491.84/x
  3. Step 3: Cross multiply
    14,079.84x = 21,101.10 × 7,491.84
  4. Step 4: Simplify right side
    14,079.84x = 158,086,065.02
  5. Step 5: Solve for x
    x = 158,086,065.02/14,079.84
  6. Step 6: Final answer
    x = 11,227.83

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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.