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Finding the Fourth Proportional to 61,860.94, 85,368.11 and 33,566.63

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Solution

The fourth proportional to 61,860.94, 85,368.11 and 33,566.63 is: 46,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,860.94 : 85,368.11 = 33,566.63 : x
  2. Step 2: Convert to fraction form
    61,860.94/85,368.11 = 33,566.63/x
  3. Step 3: Cross multiply
    61,860.94x = 85,368.11 × 33,566.63
  4. Step 4: Simplify right side
    61,860.94x = 2,865,519,167.50
  5. Step 5: Solve for x
    x = 2,865,519,167.50/61,860.94
  6. Step 6: Final answer
    x = 46,321.95

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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.