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Finding the Fourth Proportional to 61,046.48, 84,257.16 and 35,910.32

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Solution

The fourth proportional to 61,046.48, 84,257.16 and 35,910.32 is: 49,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,046.48 : 84,257.16 = 35,910.32 : x
  2. Step 2: Convert to fraction form
    61,046.48/84,257.16 = 35,910.32/x
  3. Step 3: Cross multiply
    61,046.48x = 84,257.16 × 35,910.32
  4. Step 4: Simplify right side
    61,046.48x = 3,025,701,577.89
  5. Step 5: Solve for x
    x = 3,025,701,577.89/61,046.48
  6. Step 6: Final answer
    x = 49,563.90

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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.