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Finding the Fourth Proportional to 46.60, 64.32 and 32.04

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Solution

The fourth proportional to 46.60, 64.32 and 32.04 is: 44.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.60 : 64.32 = 32.04 : x
  2. Step 2: Convert to fraction form
    46.60/64.32 = 32.04/x
  3. Step 3: Cross multiply
    46.60x = 64.32 × 32.04
  4. Step 4: Simplify right side
    46.60x = 2,060.81
  5. Step 5: Solve for x
    x = 2,060.81/46.60
  6. Step 6: Final answer
    x = 44.22

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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.