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Finding the Fourth Proportional to 61,963.98, 85,525.84 and 35,122.50

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Solution

The fourth proportional to 61,963.98, 85,525.84 and 35,122.50 is: 48,477.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963.98 : 85,525.84 = 35,122.50 : x
  2. Step 2: Convert to fraction form
    61,963.98/85,525.84 = 35,122.50/x
  3. Step 3: Cross multiply
    61,963.98x = 85,525.84 × 35,122.50
  4. Step 4: Simplify right side
    61,963.98x = 3,003,881,315.40
  5. Step 5: Solve for x
    x = 3,003,881,315.40/61,963.98
  6. Step 6: Final answer
    x = 48,477.86

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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.