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Finding the Fourth Proportional to 61,703.64, 85,150.71 and 33,409.26

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Solution

The fourth proportional to 61,703.64, 85,150.71 and 33,409.26 is: 46,104.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,703.64 : 85,150.71 = 33,409.26 : x
  2. Step 2: Convert to fraction form
    61,703.64/85,150.71 = 33,409.26/x
  3. Step 3: Cross multiply
    61,703.64x = 85,150.71 × 33,409.26
  4. Step 4: Simplify right side
    61,703.64x = 2,844,822,209.57
  5. Step 5: Solve for x
    x = 2,844,822,209.57/61,703.64
  6. Step 6: Final answer
    x = 46,104.61

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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.