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Finding the Fourth Proportional to 19,242.77, 28,865.97 and 7,553.25

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Solution

The fourth proportional to 19,242.77, 28,865.97 and 7,553.25 is: 11,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.77 : 28,865.97 = 7,553.25 : x
  2. Step 2: Convert to fraction form
    19,242.77/28,865.97 = 7,553.25/x
  3. Step 3: Cross multiply
    19,242.77x = 28,865.97 × 7,553.25
  4. Step 4: Simplify right side
    19,242.77x = 218,031,887.90
  5. Step 5: Solve for x
    x = 218,031,887.90/19,242.77
  6. Step 6: Final answer
    x = 11,330.59

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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.