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Finding the Fourth Proportional to 61,758.18, 85,226.18 and 33,463.87

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Solution

The fourth proportional to 61,758.18, 85,226.18 and 33,463.87 is: 46,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,758.18 : 85,226.18 = 33,463.87 : x
  2. Step 2: Convert to fraction form
    61,758.18/85,226.18 = 33,463.87/x
  3. Step 3: Cross multiply
    61,758.18x = 85,226.18 × 33,463.87
  4. Step 4: Simplify right side
    61,758.18x = 2,851,997,427.73
  5. Step 5: Solve for x
    x = 2,851,997,427.73/61,758.18
  6. Step 6: Final answer
    x = 46,180.08

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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.