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Finding the Fourth Proportional to 33,663.34, 46,455.17 and 18,556

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Solution

The fourth proportional to 33,663.34, 46,455.17 and 18,556 is: 25,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,663.34 : 46,455.17 = 18,556 : x
  2. Step 2: Convert to fraction form
    33,663.34/46,455.17 = 18,556/x
  3. Step 3: Cross multiply
    33,663.34x = 46,455.17 × 18,556
  4. Step 4: Simplify right side
    33,663.34x = 862,022,134.52
  5. Step 5: Solve for x
    x = 862,022,134.52/33,663.34
  6. Step 6: Final answer
    x = 25,607.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.