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Finding the Fourth Proportional to 46.76, 64.50 and 29.27

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Solution

The fourth proportional to 46.76, 64.50 and 29.27 is: 40.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.76 : 64.50 = 29.27 : x
  2. Step 2: Convert to fraction form
    46.76/64.50 = 29.27/x
  3. Step 3: Cross multiply
    46.76x = 64.50 × 29.27
  4. Step 4: Simplify right side
    46.76x = 1,887.92
  5. Step 5: Solve for x
    x = 1,887.92/46.76
  6. Step 6: Final answer
    x = 40.37

Related Problems

Find fourth proportional to 23.38, 32.25 and 14.64
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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.