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Finding the Fourth Proportional to 61,767.81, 85,239.59 and 33,473.52

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Solution

The fourth proportional to 61,767.81, 85,239.59 and 33,473.52 is: 46,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,767.81 : 85,239.59 = 33,473.52 : x
  2. Step 2: Convert to fraction form
    61,767.81/85,239.59 = 33,473.52/x
  3. Step 3: Cross multiply
    61,767.81x = 85,239.59 × 33,473.52
  4. Step 4: Simplify right side
    61,767.81x = 2,853,268,953.29
  5. Step 5: Solve for x
    x = 2,853,268,953.29/61,767.81
  6. Step 6: Final answer
    x = 46,193.46

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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.