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Finding the Fourth Proportional to 35.63, 53.73 and 35.24

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Solution

The fourth proportional to 35.63, 53.73 and 35.24 is: 53.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.63 : 53.73 = 35.24 : x
  2. Step 2: Convert to fraction form
    35.63/53.73 = 35.24/x
  3. Step 3: Cross multiply
    35.63x = 53.73 × 35.24
  4. Step 4: Simplify right side
    35.63x = 1,893.45
  5. Step 5: Solve for x
    x = 1,893.45/35.63
  6. Step 6: Final answer
    x = 53.14

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.