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Finding the Fourth Proportional to 29,479.33, 44,221.83 and 8,420.14

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Solution

The fourth proportional to 29,479.33, 44,221.83 and 8,420.14 is: 12,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,479.33 : 44,221.83 = 8,420.14 : x
  2. Step 2: Convert to fraction form
    29,479.33/44,221.83 = 8,420.14/x
  3. Step 3: Cross multiply
    29,479.33x = 44,221.83 × 8,420.14
  4. Step 4: Simplify right side
    29,479.33x = 372,353,999.66
  5. Step 5: Solve for x
    x = 372,353,999.66/29,479.33
  6. Step 6: Final answer
    x = 12,631.02

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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.