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Finding the Fourth Proportional to 8,889.08, 12,267.06 and 5,163.08

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Solution

The fourth proportional to 8,889.08, 12,267.06 and 5,163.08 is: 7,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.08 : 12,267.06 = 5,163.08 : x
  2. Step 2: Convert to fraction form
    8,889.08/12,267.06 = 5,163.08/x
  3. Step 3: Cross multiply
    8,889.08x = 12,267.06 × 5,163.08
  4. Step 4: Simplify right side
    8,889.08x = 63,335,812.14
  5. Step 5: Solve for x
    x = 63,335,812.14/8,889.08
  6. Step 6: Final answer
    x = 7,125.13

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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.