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Finding the Fourth Proportional to 71,228.31, 106,848.09 and 23,843.69

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Solution

The fourth proportional to 71,228.31, 106,848.09 and 23,843.69 is: 35,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,228.31 : 106,848.09 = 23,843.69 : x
  2. Step 2: Convert to fraction form
    71,228.31/106,848.09 = 23,843.69/x
  3. Step 3: Cross multiply
    71,228.31x = 106,848.09 × 23,843.69
  4. Step 4: Simplify right side
    71,228.31x = 2,547,652,735.05
  5. Step 5: Solve for x
    x = 2,547,652,735.05/71,228.31
  6. Step 6: Final answer
    x = 35,767.42

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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.