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Finding the Fourth Proportional to 18,606.66, 27,914.10 and 6,130.53

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Solution

The fourth proportional to 18,606.66, 27,914.10 and 6,130.53 is: 9,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.66 : 27,914.10 = 6,130.53 : x
  2. Step 2: Convert to fraction form
    18,606.66/27,914.10 = 6,130.53/x
  3. Step 3: Cross multiply
    18,606.66x = 27,914.10 × 6,130.53
  4. Step 4: Simplify right side
    18,606.66x = 171,128,227.47
  5. Step 5: Solve for x
    x = 171,128,227.47/18,606.66
  6. Step 6: Final answer
    x = 9,197.15

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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.