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Finding the Fourth Proportional to 22,212.90, 33,335.55 and 14,814.90

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Solution

The fourth proportional to 22,212.90, 33,335.55 and 14,814.90 is: 22,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.90 : 33,335.55 = 14,814.90 : x
  2. Step 2: Convert to fraction form
    22,212.90/33,335.55 = 14,814.90/x
  3. Step 3: Cross multiply
    22,212.90x = 33,335.55 × 14,814.90
  4. Step 4: Simplify right side
    22,212.90x = 493,862,839.70
  5. Step 5: Solve for x
    x = 493,862,839.70/22,212.90
  6. Step 6: Final answer
    x = 22,233.15

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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.