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Finding the Fourth Proportional to 34,791.84, 52,187.76 and 21,028.32

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Solution

The fourth proportional to 34,791.84, 52,187.76 and 21,028.32 is: 31,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,791.84 : 52,187.76 = 21,028.32 : x
  2. Step 2: Convert to fraction form
    34,791.84/52,187.76 = 21,028.32/x
  3. Step 3: Cross multiply
    34,791.84x = 52,187.76 × 21,028.32
  4. Step 4: Simplify right side
    34,791.84x = 1,097,420,917.36
  5. Step 5: Solve for x
    x = 1,097,420,917.36/34,791.84
  6. Step 6: Final answer
    x = 31,542.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.