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Finding the Fourth Proportional to 46.59, 64.34 and 45.14

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Solution

The fourth proportional to 46.59, 64.34 and 45.14 is: 62.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.59 : 64.34 = 45.14 : x
  2. Step 2: Convert to fraction form
    46.59/64.34 = 45.14/x
  3. Step 3: Cross multiply
    46.59x = 64.34 × 45.14
  4. Step 4: Simplify right side
    46.59x = 2,903.76
  5. Step 5: Solve for x
    x = 2,903.76/46.59
  6. Step 6: Final answer
    x = 62.33

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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.