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Finding the Fourth Proportional to 27,018.66, 40,530.03 and 7,296.93

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Solution

The fourth proportional to 27,018.66, 40,530.03 and 7,296.93 is: 10,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.66 : 40,530.03 = 7,296.93 : x
  2. Step 2: Convert to fraction form
    27,018.66/40,530.03 = 7,296.93/x
  3. Step 3: Cross multiply
    27,018.66x = 40,530.03 × 7,296.93
  4. Step 4: Simplify right side
    27,018.66x = 295,744,791.81
  5. Step 5: Solve for x
    x = 295,744,791.81/27,018.66
  6. Step 6: Final answer
    x = 10,945.95

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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.