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Finding the Fourth Proportional to 61,599.90, 85,007.79 and 33,305.52

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Solution

The fourth proportional to 61,599.90, 85,007.79 and 33,305.52 is: 45,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,599.90 : 85,007.79 = 33,305.52 : x
  2. Step 2: Convert to fraction form
    61,599.90/85,007.79 = 33,305.52/x
  3. Step 3: Cross multiply
    61,599.90x = 85,007.79 × 33,305.52
  4. Step 4: Simplify right side
    61,599.90x = 2,831,228,650.00
  5. Step 5: Solve for x
    x = 2,831,228,650.00/61,599.90
  6. Step 6: Final answer
    x = 45,961.58

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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.