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Finding the Fourth Proportional to 29,478.33, 44,220.33 and 8,419.14

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Solution

The fourth proportional to 29,478.33, 44,220.33 and 8,419.14 is: 12,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,478.33 : 44,220.33 = 8,419.14 : x
  2. Step 2: Convert to fraction form
    29,478.33/44,220.33 = 8,419.14/x
  3. Step 3: Cross multiply
    29,478.33x = 44,220.33 × 8,419.14
  4. Step 4: Simplify right side
    29,478.33x = 372,297,149.12
  5. Step 5: Solve for x
    x = 372,297,149.12/29,478.33
  6. Step 6: Final answer
    x = 12,629.52

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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.