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Finding the Fourth Proportional to 29,652.31, 40,921.14 and 16,223.25

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Solution

The fourth proportional to 29,652.31, 40,921.14 and 16,223.25 is: 22,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,652.31 : 40,921.14 = 16,223.25 : x
  2. Step 2: Convert to fraction form
    29,652.31/40,921.14 = 16,223.25/x
  3. Step 3: Cross multiply
    29,652.31x = 40,921.14 × 16,223.25
  4. Step 4: Simplify right side
    29,652.31x = 663,873,884.51
  5. Step 5: Solve for x
    x = 663,873,884.51/29,652.31
  6. Step 6: Final answer
    x = 22,388.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.