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Finding the Fourth Proportional to 32.60, 48.94 and 25

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Solution

The fourth proportional to 32.60, 48.94 and 25 is: 37.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.60 : 48.94 = 25 : x
  2. Step 2: Convert to fraction form
    32.60/48.94 = 25/x
  3. Step 3: Cross multiply
    32.60x = 48.94 × 25
  4. Step 4: Simplify right side
    32.60x = 1,223.50
  5. Step 5: Solve for x
    x = 1,223.50/32.60
  6. Step 6: Final answer
    x = 37.53

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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.