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Finding the Fourth Proportional to 9,388.99, 12,945.04 and 6,025.87

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Solution

The fourth proportional to 9,388.99, 12,945.04 and 6,025.87 is: 8,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.99 : 12,945.04 = 6,025.87 : x
  2. Step 2: Convert to fraction form
    9,388.99/12,945.04 = 6,025.87/x
  3. Step 3: Cross multiply
    9,388.99x = 12,945.04 × 6,025.87
  4. Step 4: Simplify right side
    9,388.99x = 78,005,128.18
  5. Step 5: Solve for x
    x = 78,005,128.18/9,388.99
  6. Step 6: Final answer
    x = 8,308.15

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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.