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Finding the Fourth Proportional to 47.84, 66.01 and 26.00

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Solution

The fourth proportional to 47.84, 66.01 and 26.00 is: 35.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.84 : 66.01 = 26.00 : x
  2. Step 2: Convert to fraction form
    47.84/66.01 = 26.00/x
  3. Step 3: Cross multiply
    47.84x = 66.01 × 26.00
  4. Step 4: Simplify right side
    47.84x = 1,716.63
  5. Step 5: Solve for x
    x = 1,716.63/47.84
  6. Step 6: Final answer
    x = 35.89

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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.