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Finding the Fourth Proportional to 15,203.42, 22,813.02 and 11,504.54

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Solution

The fourth proportional to 15,203.42, 22,813.02 and 11,504.54 is: 17,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,203.42 : 22,813.02 = 11,504.54 : x
  2. Step 2: Convert to fraction form
    15,203.42/22,813.02 = 11,504.54/x
  3. Step 3: Cross multiply
    15,203.42x = 22,813.02 × 11,504.54
  4. Step 4: Simplify right side
    15,203.42x = 262,453,301.11
  5. Step 5: Solve for x
    x = 262,453,301.11/15,203.42
  6. Step 6: Final answer
    x = 17,262.78

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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.