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Finding the Fourth Proportional to 29,200.70, 43,808.01 and 9,479.30

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Solution

The fourth proportional to 29,200.70, 43,808.01 and 9,479.30 is: 14,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,200.70 : 43,808.01 = 9,479.30 : x
  2. Step 2: Convert to fraction form
    29,200.70/43,808.01 = 9,479.30/x
  3. Step 3: Cross multiply
    29,200.70x = 43,808.01 × 9,479.30
  4. Step 4: Simplify right side
    29,200.70x = 415,269,269.19
  5. Step 5: Solve for x
    x = 415,269,269.19/29,200.70
  6. Step 6: Final answer
    x = 14,221.21

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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.