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Finding the Fourth Proportional to 29,673.69, 40,949.68 and 16,244.90

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Solution

The fourth proportional to 29,673.69, 40,949.68 and 16,244.90 is: 22,417.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,673.69 : 40,949.68 = 16,244.90 : x
  2. Step 2: Convert to fraction form
    29,673.69/40,949.68 = 16,244.90/x
  3. Step 3: Cross multiply
    29,673.69x = 40,949.68 × 16,244.90
  4. Step 4: Simplify right side
    29,673.69x = 665,223,394.87
  5. Step 5: Solve for x
    x = 665,223,394.87/29,673.69
  6. Step 6: Final answer
    x = 22,417.96

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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.