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Finding the Fourth Proportional to 61,896.04, 85,415.20 and 33,601.72

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Solution

The fourth proportional to 61,896.04, 85,415.20 and 33,601.72 is: 46,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,896.04 : 85,415.20 = 33,601.72 : x
  2. Step 2: Convert to fraction form
    61,896.04/85,415.20 = 33,601.72/x
  3. Step 3: Cross multiply
    61,896.04x = 85,415.20 × 33,601.72
  4. Step 4: Simplify right side
    61,896.04x = 2,870,097,634.14
  5. Step 5: Solve for x
    x = 2,870,097,634.14/61,896.04
  6. Step 6: Final answer
    x = 46,369.65

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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.