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Finding the Fourth Proportional to 17,098.94, 25,628.79 and 7,845.50

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Solution

The fourth proportional to 17,098.94, 25,628.79 and 7,845.50 is: 11,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,098.94 : 25,628.79 = 7,845.50 : x
  2. Step 2: Convert to fraction form
    17,098.94/25,628.79 = 7,845.50/x
  3. Step 3: Cross multiply
    17,098.94x = 25,628.79 × 7,845.50
  4. Step 4: Simplify right side
    17,098.94x = 201,070,671.95
  5. Step 5: Solve for x
    x = 201,070,671.95/17,098.94
  6. Step 6: Final answer
    x = 11,759.25

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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.