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Finding the Fourth Proportional to 61,047.22, 84,241.08 and 33,821.47

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Solution

The fourth proportional to 61,047.22, 84,241.08 and 33,821.47 is: 46,671.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,047.22 : 84,241.08 = 33,821.47 : x
  2. Step 2: Convert to fraction form
    61,047.22/84,241.08 = 33,821.47/x
  3. Step 3: Cross multiply
    61,047.22x = 84,241.08 × 33,821.47
  4. Step 4: Simplify right side
    61,047.22x = 2,849,157,159.99
  5. Step 5: Solve for x
    x = 2,849,157,159.99/61,047.22
  6. Step 6: Final answer
    x = 46,671.37

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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.