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Finding the Fourth Proportional to 22,482.81, 33,717.83 and 6,687.20

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Solution

The fourth proportional to 22,482.81, 33,717.83 and 6,687.20 is: 10,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.81 : 33,717.83 = 6,687.20 : x
  2. Step 2: Convert to fraction form
    22,482.81/33,717.83 = 6,687.20/x
  3. Step 3: Cross multiply
    22,482.81x = 33,717.83 × 6,687.20
  4. Step 4: Simplify right side
    22,482.81x = 225,477,670.75
  5. Step 5: Solve for x
    x = 225,477,670.75/22,482.81
  6. Step 6: Final answer
    x = 10,028.89

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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.