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Finding the Fourth Proportional to 46.60, 64.30 and 26.93

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Solution

The fourth proportional to 46.60, 64.30 and 26.93 is: 37.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.60 : 64.30 = 26.93 : x
  2. Step 2: Convert to fraction form
    46.60/64.30 = 26.93/x
  3. Step 3: Cross multiply
    46.60x = 64.30 × 26.93
  4. Step 4: Simplify right side
    46.60x = 1,731.21
  5. Step 5: Solve for x
    x = 1,731.21/46.60
  6. Step 6: Final answer
    x = 37.15

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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.