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Finding the Fourth Proportional to 12,497.00, 18,745.02 and 3,137.09

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Solution

The fourth proportional to 12,497.00, 18,745.02 and 3,137.09 is: 4,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.00 : 18,745.02 = 3,137.09 : x
  2. Step 2: Convert to fraction form
    12,497.00/18,745.02 = 3,137.09/x
  3. Step 3: Cross multiply
    12,497.00x = 18,745.02 × 3,137.09
  4. Step 4: Simplify right side
    12,497.00x = 58,804,721.07
  5. Step 5: Solve for x
    x = 58,804,721.07/12,497.00
  6. Step 6: Final answer
    x = 4,705.51

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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.