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Finding the Fourth Proportional to 31,205.41, 43,058.41 and 17,776.91

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Solution

The fourth proportional to 31,205.41, 43,058.41 and 17,776.91 is: 24,529.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,205.41 : 43,058.41 = 17,776.91 : x
  2. Step 2: Convert to fraction form
    31,205.41/43,058.41 = 17,776.91/x
  3. Step 3: Cross multiply
    31,205.41x = 43,058.41 × 17,776.91
  4. Step 4: Simplify right side
    31,205.41x = 765,445,542.52
  5. Step 5: Solve for x
    x = 765,445,542.52/31,205.41
  6. Step 6: Final answer
    x = 24,529.26

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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.