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Finding the Fourth Proportional to 16,058.79, 22,160.16 and 8,888.31

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Solution

The fourth proportional to 16,058.79, 22,160.16 and 8,888.31 is: 12,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,058.79 : 22,160.16 = 8,888.31 : x
  2. Step 2: Convert to fraction form
    16,058.79/22,160.16 = 8,888.31/x
  3. Step 3: Cross multiply
    16,058.79x = 22,160.16 × 8,888.31
  4. Step 4: Simplify right side
    16,058.79x = 196,966,371.73
  5. Step 5: Solve for x
    x = 196,966,371.73/16,058.79
  6. Step 6: Final answer
    x = 12,265.33

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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.