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Finding the Fourth Proportional to 29,147.49, 40,230.25 and 17,053.58

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Solution

The fourth proportional to 29,147.49, 40,230.25 and 17,053.58 is: 23,537.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.49 : 40,230.25 = 17,053.58 : x
  2. Step 2: Convert to fraction form
    29,147.49/40,230.25 = 17,053.58/x
  3. Step 3: Cross multiply
    29,147.49x = 40,230.25 × 17,053.58
  4. Step 4: Simplify right side
    29,147.49x = 686,069,786.80
  5. Step 5: Solve for x
    x = 686,069,786.80/29,147.49
  6. Step 6: Final answer
    x = 23,537.87

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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.