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Finding the Fourth Proportional to 46.45, 64.01 and 32.65

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Solution

The fourth proportional to 46.45, 64.01 and 32.65 is: 44.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.45 : 64.01 = 32.65 : x
  2. Step 2: Convert to fraction form
    46.45/64.01 = 32.65/x
  3. Step 3: Cross multiply
    46.45x = 64.01 × 32.65
  4. Step 4: Simplify right side
    46.45x = 2,089.76
  5. Step 5: Solve for x
    x = 2,089.76/46.45
  6. Step 6: Final answer
    x = 44.99

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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.