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Finding the Fourth Proportional to 61,619.87, 85,035.48 and 33,325.56

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Solution

The fourth proportional to 61,619.87, 85,035.48 and 33,325.56 is: 45,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,619.87 : 85,035.48 = 33,325.56 : x
  2. Step 2: Convert to fraction form
    61,619.87/85,035.48 = 33,325.56/x
  3. Step 3: Cross multiply
    61,619.87x = 85,035.48 × 33,325.56
  4. Step 4: Simplify right side
    61,619.87x = 2,833,854,611.65
  5. Step 5: Solve for x
    x = 2,833,854,611.65/61,619.87
  6. Step 6: Final answer
    x = 45,989.30

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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.