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Finding the Fourth Proportional to 56,568.63, 84,863.86 and 21,505.55

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Solution

The fourth proportional to 56,568.63, 84,863.86 and 21,505.55 is: 32,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,568.63 : 84,863.86 = 21,505.55 : x
  2. Step 2: Convert to fraction form
    56,568.63/84,863.86 = 21,505.55/x
  3. Step 3: Cross multiply
    56,568.63x = 84,863.86 × 21,505.55
  4. Step 4: Simplify right side
    56,568.63x = 1,825,043,664.74
  5. Step 5: Solve for x
    x = 1,825,043,664.74/56,568.63
  6. Step 6: Final answer
    x = 32,262.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.