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Finding the Fourth Proportional to 12,500.36, 18,750.54 and 3,266.36

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Solution

The fourth proportional to 12,500.36, 18,750.54 and 3,266.36 is: 4,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.36 : 18,750.54 = 3,266.36 : x
  2. Step 2: Convert to fraction form
    12,500.36/18,750.54 = 3,266.36/x
  3. Step 3: Cross multiply
    12,500.36x = 18,750.54 × 3,266.36
  4. Step 4: Simplify right side
    12,500.36x = 61,246,013.83
  5. Step 5: Solve for x
    x = 61,246,013.83/12,500.36
  6. Step 6: Final answer
    x = 4,899.54

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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.