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Finding the Fourth Proportional to 61,736.66, 85,198.32 and 34,880.30

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Solution

The fourth proportional to 61,736.66, 85,198.32 and 34,880.30 is: 48,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,736.66 : 85,198.32 = 34,880.30 : x
  2. Step 2: Convert to fraction form
    61,736.66/85,198.32 = 34,880.30/x
  3. Step 3: Cross multiply
    61,736.66x = 85,198.32 × 34,880.30
  4. Step 4: Simplify right side
    61,736.66x = 2,971,742,961.10
  5. Step 5: Solve for x
    x = 2,971,742,961.10/61,736.66
  6. Step 6: Final answer
    x = 48,135.79

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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.