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Finding the Fourth Proportional to 61,213.81, 84,483.57 and 33,996.01

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Solution

The fourth proportional to 61,213.81, 84,483.57 and 33,996.01 is: 46,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,213.81 : 84,483.57 = 33,996.01 : x
  2. Step 2: Convert to fraction form
    61,213.81/84,483.57 = 33,996.01/x
  3. Step 3: Cross multiply
    61,213.81x = 84,483.57 × 33,996.01
  4. Step 4: Simplify right side
    61,213.81x = 2,872,104,206.83
  5. Step 5: Solve for x
    x = 2,872,104,206.83/61,213.81
  6. Step 6: Final answer
    x = 46,919.22

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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.