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Finding the Fourth Proportional to 61,628.81, 85,047.77 and 33,334.51

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Solution

The fourth proportional to 61,628.81, 85,047.77 and 33,334.51 is: 46,001.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,628.81 : 85,047.77 = 33,334.51 : x
  2. Step 2: Convert to fraction form
    61,628.81/85,047.77 = 33,334.51/x
  3. Step 3: Cross multiply
    61,628.81x = 85,047.77 × 33,334.51
  4. Step 4: Simplify right side
    61,628.81x = 2,835,025,147.63
  5. Step 5: Solve for x
    x = 2,835,025,147.63/61,628.81
  6. Step 6: Final answer
    x = 46,001.62

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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.