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Finding the Fourth Proportional to 29,993.69, 41,390.96 and 16,564.68

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Solution

The fourth proportional to 29,993.69, 41,390.96 and 16,564.68 is: 22,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,993.69 : 41,390.96 = 16,564.68 : x
  2. Step 2: Convert to fraction form
    29,993.69/41,390.96 = 16,564.68/x
  3. Step 3: Cross multiply
    29,993.69x = 41,390.96 × 16,564.68
  4. Step 4: Simplify right side
    29,993.69x = 685,627,924.47
  5. Step 5: Solve for x
    x = 685,627,924.47/29,993.69
  6. Step 6: Final answer
    x = 22,859.08

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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.