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Finding the Fourth Proportional to 61,850.64, 85,351.52 and 33,555.68

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Solution

The fourth proportional to 61,850.64, 85,351.52 and 33,555.68 is: 46,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,850.64 : 85,351.52 = 33,555.68 : x
  2. Step 2: Convert to fraction form
    61,850.64/85,351.52 = 33,555.68/x
  3. Step 3: Cross multiply
    61,850.64x = 85,351.52 × 33,555.68
  4. Step 4: Simplify right side
    61,850.64x = 2,864,028,292.63
  5. Step 5: Solve for x
    x = 2,864,028,292.63/61,850.64
  6. Step 6: Final answer
    x = 46,305.56

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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.