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Finding the Fourth Proportional to 61,784.88, 85,262.93 and 33,490.56

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Solution

The fourth proportional to 61,784.88, 85,262.93 and 33,490.56 is: 46,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784.88 : 85,262.93 = 33,490.56 : x
  2. Step 2: Convert to fraction form
    61,784.88/85,262.93 = 33,490.56/x
  3. Step 3: Cross multiply
    61,784.88x = 85,262.93 × 33,490.56
  4. Step 4: Simplify right side
    61,784.88x = 2,855,503,550.81
  5. Step 5: Solve for x
    x = 2,855,503,550.81/61,784.88
  6. Step 6: Final answer
    x = 46,216.87

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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.