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Finding the Fourth Proportional to 55,893.59, 77,106.05 and 33,216.53

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Solution

The fourth proportional to 55,893.59, 77,106.05 and 33,216.53 is: 45,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,893.59 : 77,106.05 = 33,216.53 : x
  2. Step 2: Convert to fraction form
    55,893.59/77,106.05 = 33,216.53/x
  3. Step 3: Cross multiply
    55,893.59x = 77,106.05 × 33,216.53
  4. Step 4: Simplify right side
    55,893.59x = 2,561,194,871.39
  5. Step 5: Solve for x
    x = 2,561,194,871.39/55,893.59
  6. Step 6: Final answer
    x = 45,822.70

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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.