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Finding the Fourth Proportional to 40,982.82, 61,429.11 and 16,018.21

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Solution

The fourth proportional to 40,982.82, 61,429.11 and 16,018.21 is: 24,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,982.82 : 61,429.11 = 16,018.21 : x
  2. Step 2: Convert to fraction form
    40,982.82/61,429.11 = 16,018.21/x
  3. Step 3: Cross multiply
    40,982.82x = 61,429.11 × 16,018.21
  4. Step 4: Simplify right side
    40,982.82x = 983,984,384.09
  5. Step 5: Solve for x
    x = 983,984,384.09/40,982.82
  6. Step 6: Final answer
    x = 24,009.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.