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Finding the Fourth Proportional to 33,553.71, 46,304.67 and 18,447

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Solution

The fourth proportional to 33,553.71, 46,304.67 and 18,447 is: 25,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,553.71 : 46,304.67 = 18,447 : x
  2. Step 2: Convert to fraction form
    33,553.71/46,304.67 = 18,447/x
  3. Step 3: Cross multiply
    33,553.71x = 46,304.67 × 18,447
  4. Step 4: Simplify right side
    33,553.71x = 854,182,247.49
  5. Step 5: Solve for x
    x = 854,182,247.49/33,553.71
  6. Step 6: Final answer
    x = 25,457.16

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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.