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Finding the Fourth Proportional to 29,992.79, 41,390.36 and 16,564.38

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Solution

The fourth proportional to 29,992.79, 41,390.36 and 16,564.38 is: 22,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,992.79 : 41,390.36 = 16,564.38 : x
  2. Step 2: Convert to fraction form
    29,992.79/41,390.36 = 16,564.38/x
  3. Step 3: Cross multiply
    29,992.79x = 41,390.36 × 16,564.38
  4. Step 4: Simplify right side
    29,992.79x = 685,605,568.55
  5. Step 5: Solve for x
    x = 685,605,568.55/29,992.79
  6. Step 6: Final answer
    x = 22,859.02

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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.