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Finding the Fourth Proportional to 8,551.62, 11,807.91 and 6,559.02

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Solution

The fourth proportional to 8,551.62, 11,807.91 and 6,559.02 is: 9,056.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,551.62 : 11,807.91 = 6,559.02 : x
  2. Step 2: Convert to fraction form
    8,551.62/11,807.91 = 6,559.02/x
  3. Step 3: Cross multiply
    8,551.62x = 11,807.91 × 6,559.02
  4. Step 4: Simplify right side
    8,551.62x = 77,448,317.85
  5. Step 5: Solve for x
    x = 77,448,317.85/8,551.62
  6. Step 6: Final answer
    x = 9,056.57

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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.