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Finding the Fourth Proportional to 61,407.44, 84,741.66 and 34,183.09

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Solution

The fourth proportional to 61,407.44, 84,741.66 and 34,183.09 is: 47,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,407.44 : 84,741.66 = 34,183.09 : x
  2. Step 2: Convert to fraction form
    61,407.44/84,741.66 = 34,183.09/x
  3. Step 3: Cross multiply
    61,407.44x = 84,741.66 × 34,183.09
  4. Step 4: Simplify right side
    61,407.44x = 2,896,731,790.53
  5. Step 5: Solve for x
    x = 2,896,731,790.53/61,407.44
  6. Step 6: Final answer
    x = 47,172.33

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1.5x scale

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.