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Finding the Fourth Proportional to 61,809.50, 85,297.12 and 33,515.22

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Solution

The fourth proportional to 61,809.50, 85,297.12 and 33,515.22 is: 46,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809.50 : 85,297.12 = 33,515.22 : x
  2. Step 2: Convert to fraction form
    61,809.50/85,297.12 = 33,515.22/x
  3. Step 3: Cross multiply
    61,809.50x = 85,297.12 × 33,515.22
  4. Step 4: Simplify right side
    61,809.50x = 2,858,751,742.17
  5. Step 5: Solve for x
    x = 2,858,751,742.17/61,809.50
  6. Step 6: Final answer
    x = 46,251.01

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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.