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Finding the Fourth Proportional to 61,361.72, 84,677.48 and 34,503.53

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Solution

The fourth proportional to 61,361.72, 84,677.48 and 34,503.53 is: 47,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,361.72 : 84,677.48 = 34,503.53 : x
  2. Step 2: Convert to fraction form
    61,361.72/84,677.48 = 34,503.53/x
  3. Step 3: Cross multiply
    61,361.72x = 84,677.48 × 34,503.53
  4. Step 4: Simplify right side
    61,361.72x = 2,921,672,010.68
  5. Step 5: Solve for x
    x = 2,921,672,010.68/61,361.72
  6. Step 6: Final answer
    x = 47,613.92

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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.