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Finding the Fourth Proportional to 35.65, 53.50 and 35.52

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Solution

The fourth proportional to 35.65, 53.50 and 35.52 is: 53.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.65 : 53.50 = 35.52 : x
  2. Step 2: Convert to fraction form
    35.65/53.50 = 35.52/x
  3. Step 3: Cross multiply
    35.65x = 53.50 × 35.52
  4. Step 4: Simplify right side
    35.65x = 1,900.32
  5. Step 5: Solve for x
    x = 1,900.32/35.65
  6. Step 6: Final answer
    x = 53.30

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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.