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Finding the Fourth Proportional to 32.19, 48.10 and 25.36

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Solution

The fourth proportional to 32.19, 48.10 and 25.36 is: 37.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.19 : 48.10 = 25.36 : x
  2. Step 2: Convert to fraction form
    32.19/48.10 = 25.36/x
  3. Step 3: Cross multiply
    32.19x = 48.10 × 25.36
  4. Step 4: Simplify right side
    32.19x = 1,219.51
  5. Step 5: Solve for x
    x = 1,219.51/32.19
  6. Step 6: Final answer
    x = 37.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.