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Finding the Fourth Proportional to 61,046.67, 84,242.44 and 33,821.64

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Solution

The fourth proportional to 61,046.67, 84,242.44 and 33,821.64 is: 46,672.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,046.67 : 84,242.44 = 33,821.64 : x
  2. Step 2: Convert to fraction form
    61,046.67/84,242.44 = 33,821.64/x
  3. Step 3: Cross multiply
    61,046.67x = 84,242.44 × 33,821.64
  4. Step 4: Simplify right side
    61,046.67x = 2,849,216,888.08
  5. Step 5: Solve for x
    x = 2,849,216,888.08/61,046.67
  6. Step 6: Final answer
    x = 46,672.77

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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.