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Finding the Fourth Proportional to 32,396.70, 44,715.80 and 21,094.43

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Solution

The fourth proportional to 32,396.70, 44,715.80 and 21,094.43 is: 29,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,396.70 : 44,715.80 = 21,094.43 : x
  2. Step 2: Convert to fraction form
    32,396.70/44,715.80 = 21,094.43/x
  3. Step 3: Cross multiply
    32,396.70x = 44,715.80 × 21,094.43
  4. Step 4: Simplify right side
    32,396.70x = 943,254,207.52
  5. Step 5: Solve for x
    x = 943,254,207.52/32,396.70
  6. Step 6: Final answer
    x = 29,115.75

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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.