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Finding the Fourth Proportional to 29,211.99, 43,828.16 and 9,224.56

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Solution

The fourth proportional to 29,211.99, 43,828.16 and 9,224.56 is: 13,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,211.99 : 43,828.16 = 9,224.56 : x
  2. Step 2: Convert to fraction form
    29,211.99/43,828.16 = 9,224.56/x
  3. Step 3: Cross multiply
    29,211.99x = 43,828.16 × 9,224.56
  4. Step 4: Simplify right side
    29,211.99x = 404,295,445.49
  5. Step 5: Solve for x
    x = 404,295,445.49/29,211.99
  6. Step 6: Final answer
    x = 13,840.05

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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.