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Finding the Fourth Proportional to 27,247.01, 40,865.99 and 7,521.08

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Solution

The fourth proportional to 27,247.01, 40,865.99 and 7,521.08 is: 11,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,247.01 : 40,865.99 = 7,521.08 : x
  2. Step 2: Convert to fraction form
    27,247.01/40,865.99 = 7,521.08/x
  3. Step 3: Cross multiply
    27,247.01x = 40,865.99 × 7,521.08
  4. Step 4: Simplify right side
    27,247.01x = 307,356,138.13
  5. Step 5: Solve for x
    x = 307,356,138.13/27,247.01
  6. Step 6: Final answer
    x = 11,280.36

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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.