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Finding the Fourth Proportional to 61,218.93, 84,482.04 and 34,361.47

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Solution

The fourth proportional to 61,218.93, 84,482.04 and 34,361.47 is: 47,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,218.93 : 84,482.04 = 34,361.47 : x
  2. Step 2: Convert to fraction form
    61,218.93/84,482.04 = 34,361.47/x
  3. Step 3: Cross multiply
    61,218.93x = 84,482.04 × 34,361.47
  4. Step 4: Simplify right side
    61,218.93x = 2,902,927,083.00
  5. Step 5: Solve for x
    x = 2,902,927,083.00/61,218.93
  6. Step 6: Final answer
    x = 47,418.78

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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.