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Finding the Fourth Proportional to 29,239.80, 43,865.09 and 9,254.32

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Solution

The fourth proportional to 29,239.80, 43,865.09 and 9,254.32 is: 13,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,239.80 : 43,865.09 = 9,254.32 : x
  2. Step 2: Convert to fraction form
    29,239.80/43,865.09 = 9,254.32/x
  3. Step 3: Cross multiply
    29,239.80x = 43,865.09 × 9,254.32
  4. Step 4: Simplify right side
    29,239.80x = 405,941,579.69
  5. Step 5: Solve for x
    x = 405,941,579.69/29,239.80
  6. Step 6: Final answer
    x = 13,883.19

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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.