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Finding the Fourth Proportional to 8,670.08, 13,018.08 and 5,166.02

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Solution

The fourth proportional to 8,670.08, 13,018.08 and 5,166.02 is: 7,756.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.08 : 13,018.08 = 5,166.02 : x
  2. Step 2: Convert to fraction form
    8,670.08/13,018.08 = 5,166.02/x
  3. Step 3: Cross multiply
    8,670.08x = 13,018.08 × 5,166.02
  4. Step 4: Simplify right side
    8,670.08x = 67,251,661.64
  5. Step 5: Solve for x
    x = 67,251,661.64/8,670.08
  6. Step 6: Final answer
    x = 7,756.75

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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.