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Finding the Fourth Proportional to 53,383.61, 80,012.86 and 21,773.94

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Solution

The fourth proportional to 53,383.61, 80,012.86 and 21,773.94 is: 32,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,383.61 : 80,012.86 = 21,773.94 : x
  2. Step 2: Convert to fraction form
    53,383.61/80,012.86 = 21,773.94/x
  3. Step 3: Cross multiply
    53,383.61x = 80,012.86 × 21,773.94
  4. Step 4: Simplify right side
    53,383.61x = 1,742,195,212.87
  5. Step 5: Solve for x
    x = 1,742,195,212.87/53,383.61
  6. Step 6: Final answer
    x = 32,635.40

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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.