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Finding the Fourth Proportional to 12,497.08, 18,745.08 and 5,099.08

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Solution

The fourth proportional to 12,497.08, 18,745.08 and 5,099.08 is: 7,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.08 : 18,745.08 = 5,099.08 : x
  2. Step 2: Convert to fraction form
    12,497.08/18,745.08 = 5,099.08/x
  3. Step 3: Cross multiply
    12,497.08x = 18,745.08 × 5,099.08
  4. Step 4: Simplify right side
    12,497.08x = 95,582,662.53
  5. Step 5: Solve for x
    x = 95,582,662.53/12,497.08
  6. Step 6: Final answer
    x = 7,648.40

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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.