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Finding the Fourth Proportional to 61,662.36, 85,093.70 and 34,813.60

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Solution

The fourth proportional to 61,662.36, 85,093.70 and 34,813.60 is: 48,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,662.36 : 85,093.70 = 34,813.60 : x
  2. Step 2: Convert to fraction form
    61,662.36/85,093.70 = 34,813.60/x
  3. Step 3: Cross multiply
    61,662.36x = 85,093.70 × 34,813.60
  4. Step 4: Simplify right side
    61,662.36x = 2,962,418,034.32
  5. Step 5: Solve for x
    x = 2,962,418,034.32/61,662.36
  6. Step 6: Final answer
    x = 48,042.57

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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.