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Finding the Fourth Proportional to 29,058.98, 40,105.10 and 17,123.42

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Solution

The fourth proportional to 29,058.98, 40,105.10 and 17,123.42 is: 23,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,058.98 : 40,105.10 = 17,123.42 : x
  2. Step 2: Convert to fraction form
    29,058.98/40,105.10 = 17,123.42/x
  3. Step 3: Cross multiply
    29,058.98x = 40,105.10 × 17,123.42
  4. Step 4: Simplify right side
    29,058.98x = 686,736,614.51
  5. Step 5: Solve for x
    x = 686,736,614.51/29,058.98
  6. Step 6: Final answer
    x = 23,632.51

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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.