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Finding the Fourth Proportional to 18,608.06, 27,916.20 and 6,127.58

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Solution

The fourth proportional to 18,608.06, 27,916.20 and 6,127.58 is: 9,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608.06 : 27,916.20 = 6,127.58 : x
  2. Step 2: Convert to fraction form
    18,608.06/27,916.20 = 6,127.58/x
  3. Step 3: Cross multiply
    18,608.06x = 27,916.20 × 6,127.58
  4. Step 4: Simplify right side
    18,608.06x = 171,058,748.80
  5. Step 5: Solve for x
    x = 171,058,748.80/18,608.06
  6. Step 6: Final answer
    x = 9,192.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.