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Finding the Fourth Proportional to 61,554.87, 84,945.69 and 33,260.55

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Solution

The fourth proportional to 61,554.87, 84,945.69 and 33,260.55 is: 45,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,554.87 : 84,945.69 = 33,260.55 : x
  2. Step 2: Convert to fraction form
    61,554.87/84,945.69 = 33,260.55/x
  3. Step 3: Cross multiply
    61,554.87x = 84,945.69 × 33,260.55
  4. Step 4: Simplify right side
    61,554.87x = 2,825,340,369.53
  5. Step 5: Solve for x
    x = 2,825,340,369.53/61,554.87
  6. Step 6: Final answer
    x = 45,899.54

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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.