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Finding the Fourth Proportional to 29,507.73, 40,718.99 and 16,078.34

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Solution

The fourth proportional to 29,507.73, 40,718.99 and 16,078.34 is: 22,187.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.73 : 40,718.99 = 16,078.34 : x
  2. Step 2: Convert to fraction form
    29,507.73/40,718.99 = 16,078.34/x
  3. Step 3: Cross multiply
    29,507.73x = 40,718.99 × 16,078.34
  4. Step 4: Simplify right side
    29,507.73x = 654,693,481.69
  5. Step 5: Solve for x
    x = 654,693,481.69/29,507.73
  6. Step 6: Final answer
    x = 22,187.19

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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.