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Finding the Fourth Proportional to 32,484.38, 44,814.87 and 21,855.56

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Solution

The fourth proportional to 32,484.38, 44,814.87 and 21,855.56 is: 30,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,484.38 : 44,814.87 = 21,855.56 : x
  2. Step 2: Convert to fraction form
    32,484.38/44,814.87 = 21,855.56/x
  3. Step 3: Cross multiply
    32,484.38x = 44,814.87 × 21,855.56
  4. Step 4: Simplify right side
    32,484.38x = 979,454,080.18
  5. Step 5: Solve for x
    x = 979,454,080.18/32,484.38
  6. Step 6: Final answer
    x = 30,151.54

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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.