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Finding the Fourth Proportional to 12,363.21, 17,058.53 and 7,324.91

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Solution

The fourth proportional to 12,363.21, 17,058.53 and 7,324.91 is: 10,106.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.21 : 17,058.53 = 7,324.91 : x
  2. Step 2: Convert to fraction form
    12,363.21/17,058.53 = 7,324.91/x
  3. Step 3: Cross multiply
    12,363.21x = 17,058.53 × 7,324.91
  4. Step 4: Simplify right side
    12,363.21x = 124,952,257.94
  5. Step 5: Solve for x
    x = 124,952,257.94/12,363.21
  6. Step 6: Final answer
    x = 10,106.78

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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.