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Finding the Fourth Proportional to 61,633.06, 85,064.06 and 35,787.60

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Solution

The fourth proportional to 61,633.06, 85,064.06 and 35,787.60 is: 49,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,633.06 : 85,064.06 = 35,787.60 : x
  2. Step 2: Convert to fraction form
    61,633.06/85,064.06 = 35,787.60/x
  3. Step 3: Cross multiply
    61,633.06x = 85,064.06 × 35,787.60
  4. Step 4: Simplify right side
    61,633.06x = 3,044,238,643.13
  5. Step 5: Solve for x
    x = 3,044,238,643.13/61,633.06
  6. Step 6: Final answer
    x = 49,392.95

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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.