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Finding the Fourth Proportional to 61,677.99, 85,115.88 and 33,383.66

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Solution

The fourth proportional to 61,677.99, 85,115.88 and 33,383.66 is: 46,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,677.99 : 85,115.88 = 33,383.66 : x
  2. Step 2: Convert to fraction form
    61,677.99/85,115.88 = 33,383.66/x
  3. Step 3: Cross multiply
    61,677.99x = 85,115.88 × 33,383.66
  4. Step 4: Simplify right side
    61,677.99x = 2,841,479,172.94
  5. Step 5: Solve for x
    x = 2,841,479,172.94/61,677.99
  6. Step 6: Final answer
    x = 46,069.58

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1.5x scale

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.