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Finding the Fourth Proportional to 53.18, 73.33 and 44.99

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Solution

The fourth proportional to 53.18, 73.33 and 44.99 is: 62.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.18 : 73.33 = 44.99 : x
  2. Step 2: Convert to fraction form
    53.18/73.33 = 44.99/x
  3. Step 3: Cross multiply
    53.18x = 73.33 × 44.99
  4. Step 4: Simplify right side
    53.18x = 3,298.64
  5. Step 5: Solve for x
    x = 3,298.64/53.18
  6. Step 6: Final answer
    x = 62.03

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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.