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Finding the Fourth Proportional to 29,173.97, 40,257.81 and 16,424.67

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Solution

The fourth proportional to 29,173.97, 40,257.81 and 16,424.67 is: 22,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,173.97 : 40,257.81 = 16,424.67 : x
  2. Step 2: Convert to fraction form
    29,173.97/40,257.81 = 16,424.67/x
  3. Step 3: Cross multiply
    29,173.97x = 40,257.81 × 16,424.67
  4. Step 4: Simplify right side
    29,173.97x = 661,221,395.14
  5. Step 5: Solve for x
    x = 661,221,395.14/29,173.97
  6. Step 6: Final answer
    x = 22,664.77

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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.