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Finding the Fourth Proportional to 61,963.64, 85,510.36 and 33,669.33

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Solution

The fourth proportional to 61,963.64, 85,510.36 and 33,669.33 is: 46,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963.64 : 85,510.36 = 33,669.33 : x
  2. Step 2: Convert to fraction form
    61,963.64/85,510.36 = 33,669.33/x
  3. Step 3: Cross multiply
    61,963.64x = 85,510.36 × 33,669.33
  4. Step 4: Simplify right side
    61,963.64x = 2,879,076,292.77
  5. Step 5: Solve for x
    x = 2,879,076,292.77/61,963.64
  6. Step 6: Final answer
    x = 46,463.96

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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.