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Finding the Fourth Proportional to 46.65, 64.37 and 25.93

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Solution

The fourth proportional to 46.65, 64.37 and 25.93 is: 35.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.65 : 64.37 = 25.93 : x
  2. Step 2: Convert to fraction form
    46.65/64.37 = 25.93/x
  3. Step 3: Cross multiply
    46.65x = 64.37 × 25.93
  4. Step 4: Simplify right side
    46.65x = 1,668.79
  5. Step 5: Solve for x
    x = 1,668.79/46.65
  6. Step 6: Final answer
    x = 35.77

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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.