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Finding the Fourth Proportional to 45.50, 62.79 and 26.10

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Solution

The fourth proportional to 45.50, 62.79 and 26.10 is: 36.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.50 : 62.79 = 26.10 : x
  2. Step 2: Convert to fraction form
    45.50/62.79 = 26.10/x
  3. Step 3: Cross multiply
    45.50x = 62.79 × 26.10
  4. Step 4: Simplify right side
    45.50x = 1,638.51
  5. Step 5: Solve for x
    x = 1,638.51/45.50
  6. Step 6: Final answer
    x = 36.01

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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.