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Finding the Fourth Proportional to 29,513.53, 40,726.69 and 16,769.39

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Solution

The fourth proportional to 29,513.53, 40,726.69 and 16,769.39 is: 23,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,513.53 : 40,726.69 = 16,769.39 : x
  2. Step 2: Convert to fraction form
    29,513.53/40,726.69 = 16,769.39/x
  3. Step 3: Cross multiply
    29,513.53x = 40,726.69 × 16,769.39
  4. Step 4: Simplify right side
    29,513.53x = 682,961,807.91
  5. Step 5: Solve for x
    x = 682,961,807.91/29,513.53
  6. Step 6: Final answer
    x = 23,140.64

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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.