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Finding the Fourth Proportional to 46.59, 69.36 and 46.46

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Solution

The fourth proportional to 46.59, 69.36 and 46.46 is: 69.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.59 : 69.36 = 46.46 : x
  2. Step 2: Convert to fraction form
    46.59/69.36 = 46.46/x
  3. Step 3: Cross multiply
    46.59x = 69.36 × 46.46
  4. Step 4: Simplify right side
    46.59x = 3,222.12
  5. Step 5: Solve for x
    x = 3,222.12/46.59
  6. Step 6: Final answer
    x = 69.16

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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.