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Finding the Fourth Proportional to 22,046.53, 30,406.62 and 14,500.61

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Solution

The fourth proportional to 22,046.53, 30,406.62 and 14,500.61 is: 19,999.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,046.53 : 30,406.62 = 14,500.61 : x
  2. Step 2: Convert to fraction form
    22,046.53/30,406.62 = 14,500.61/x
  3. Step 3: Cross multiply
    22,046.53x = 30,406.62 × 14,500.61
  4. Step 4: Simplify right side
    22,046.53x = 440,914,538.04
  5. Step 5: Solve for x
    x = 440,914,538.04/22,046.53
  6. Step 6: Final answer
    x = 19,999.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.