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Finding the Fourth Proportional to 8,745.03, 12,068.12 and 5,208.37

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Solution

The fourth proportional to 8,745.03, 12,068.12 and 5,208.37 is: 7,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.03 : 12,068.12 = 5,208.37 : x
  2. Step 2: Convert to fraction form
    8,745.03/12,068.12 = 5,208.37/x
  3. Step 3: Cross multiply
    8,745.03x = 12,068.12 × 5,208.37
  4. Step 4: Simplify right side
    8,745.03x = 62,855,217.02
  5. Step 5: Solve for x
    x = 62,855,217.02/8,745.03
  6. Step 6: Final answer
    x = 7,187.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.