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Finding the Fourth Proportional to 61,201.98, 91,801.86 and 16,828.56

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Solution

The fourth proportional to 61,201.98, 91,801.86 and 16,828.56 is: 25,242.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,201.98 : 91,801.86 = 16,828.56 : x
  2. Step 2: Convert to fraction form
    61,201.98/91,801.86 = 16,828.56/x
  3. Step 3: Cross multiply
    61,201.98x = 91,801.86 × 16,828.56
  4. Step 4: Simplify right side
    61,201.98x = 1,544,893,109.12
  5. Step 5: Solve for x
    x = 1,544,893,109.12/61,201.98
  6. Step 6: Final answer
    x = 25,242.53

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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.