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Finding the Fourth Proportional to 32.65, 48.94 and 25.07

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Solution

The fourth proportional to 32.65, 48.94 and 25.07 is: 37.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.65 : 48.94 = 25.07 : x
  2. Step 2: Convert to fraction form
    32.65/48.94 = 25.07/x
  3. Step 3: Cross multiply
    32.65x = 48.94 × 25.07
  4. Step 4: Simplify right side
    32.65x = 1,226.99
  5. Step 5: Solve for x
    x = 1,226.99/32.65
  6. Step 6: Final answer
    x = 37.58

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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.