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Finding the Fourth Proportional to 63,009.33, 94,531.20 and 18,636.03

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Solution

The fourth proportional to 63,009.33, 94,531.20 and 18,636.03 is: 27,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,009.33 : 94,531.20 = 18,636.03 : x
  2. Step 2: Convert to fraction form
    63,009.33/94,531.20 = 18,636.03/x
  3. Step 3: Cross multiply
    63,009.33x = 94,531.20 × 18,636.03
  4. Step 4: Simplify right side
    63,009.33x = 1,761,686,279.14
  5. Step 5: Solve for x
    x = 1,761,686,279.14/63,009.33
  6. Step 6: Final answer
    x = 27,959.13

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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.