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Finding the Fourth Proportional to 53.56, 73.93 and 32.84

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Solution

The fourth proportional to 53.56, 73.93 and 32.84 is: 45.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.56 : 73.93 = 32.84 : x
  2. Step 2: Convert to fraction form
    53.56/73.93 = 32.84/x
  3. Step 3: Cross multiply
    53.56x = 73.93 × 32.84
  4. Step 4: Simplify right side
    53.56x = 2,427.86
  5. Step 5: Solve for x
    x = 2,427.86/53.56
  6. Step 6: Final answer
    x = 45.33

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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.