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Finding the Fourth Proportional to 61,181.94, 84,431.90 and 34,322.85

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Solution

The fourth proportional to 61,181.94, 84,431.90 and 34,322.85 is: 47,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,181.94 : 84,431.90 = 34,322.85 : x
  2. Step 2: Convert to fraction form
    61,181.94/84,431.90 = 34,322.85/x
  3. Step 3: Cross multiply
    61,181.94x = 84,431.90 × 34,322.85
  4. Step 4: Simplify right side
    61,181.94x = 2,897,943,524.72
  5. Step 5: Solve for x
    x = 2,897,943,524.72/61,181.94
  6. Step 6: Final answer
    x = 47,365.99

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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.