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Finding the Fourth Proportional to 32.06, 48.14 and 31.07

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Solution

The fourth proportional to 32.06, 48.14 and 31.07 is: 46.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.06 : 48.14 = 31.07 : x
  2. Step 2: Convert to fraction form
    32.06/48.14 = 31.07/x
  3. Step 3: Cross multiply
    32.06x = 48.14 × 31.07
  4. Step 4: Simplify right side
    32.06x = 1,495.71
  5. Step 5: Solve for x
    x = 1,495.71/32.06
  6. Step 6: Final answer
    x = 46.65

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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.