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Finding the Fourth Proportional to 61,361.90, 84,679.93 and 34,504.18

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Solution

The fourth proportional to 61,361.90, 84,679.93 and 34,504.18 is: 47,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,361.90 : 84,679.93 = 34,504.18 : x
  2. Step 2: Convert to fraction form
    61,361.90/84,679.93 = 34,504.18/x
  3. Step 3: Cross multiply
    61,361.90x = 84,679.93 × 34,504.18
  4. Step 4: Simplify right side
    61,361.90x = 2,921,811,219.76
  5. Step 5: Solve for x
    x = 2,921,811,219.76/61,361.90
  6. Step 6: Final answer
    x = 47,616.05

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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.