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Finding the Fourth Proportional to 16,371.87, 22,593.06 and 9,657.51

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Solution

The fourth proportional to 16,371.87, 22,593.06 and 9,657.51 is: 13,327.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,371.87 : 22,593.06 = 9,657.51 : x
  2. Step 2: Convert to fraction form
    16,371.87/22,593.06 = 9,657.51/x
  3. Step 3: Cross multiply
    16,371.87x = 22,593.06 × 9,657.51
  4. Step 4: Simplify right side
    16,371.87x = 218,192,702.88
  5. Step 5: Solve for x
    x = 218,192,702.88/16,371.87
  6. Step 6: Final answer
    x = 13,327.29

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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.