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Finding the Fourth Proportional to 61,889.25, 85,407.32 and 33,594.93

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Solution

The fourth proportional to 61,889.25, 85,407.32 and 33,594.93 is: 46,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,889.25 : 85,407.32 = 33,594.93 : x
  2. Step 2: Convert to fraction form
    61,889.25/85,407.32 = 33,594.93/x
  3. Step 3: Cross multiply
    61,889.25x = 85,407.32 × 33,594.93
  4. Step 4: Simplify right side
    61,889.25x = 2,869,252,768.91
  5. Step 5: Solve for x
    x = 2,869,252,768.91/61,889.25
  6. Step 6: Final answer
    x = 46,361.08

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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.