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Finding the Fourth Proportional to 53.35, 73.47 and 46.43

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Solution

The fourth proportional to 53.35, 73.47 and 46.43 is: 63.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53.35 : 73.47 = 46.43 : x
  2. Step 2: Convert to fraction form
    53.35/73.47 = 46.43/x
  3. Step 3: Cross multiply
    53.35x = 73.47 × 46.43
  4. Step 4: Simplify right side
    53.35x = 3,411.21
  5. Step 5: Solve for x
    x = 3,411.21/53.35
  6. Step 6: Final answer
    x = 63.94

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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.