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Finding the Fourth Proportional to 46.86, 64.62 and 32.34

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Solution

The fourth proportional to 46.86, 64.62 and 32.34 is: 44.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.86 : 64.62 = 32.34 : x
  2. Step 2: Convert to fraction form
    46.86/64.62 = 32.34/x
  3. Step 3: Cross multiply
    46.86x = 64.62 × 32.34
  4. Step 4: Simplify right side
    46.86x = 2,089.81
  5. Step 5: Solve for x
    x = 2,089.81/46.86
  6. Step 6: Final answer
    x = 44.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.