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Finding the Fourth Proportional to 8,580.87, 11,841.81 and 4,803.95

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Solution

The fourth proportional to 8,580.87, 11,841.81 and 4,803.95 is: 6,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.87 : 11,841.81 = 4,803.95 : x
  2. Step 2: Convert to fraction form
    8,580.87/11,841.81 = 4,803.95/x
  3. Step 3: Cross multiply
    8,580.87x = 11,841.81 × 4,803.95
  4. Step 4: Simplify right side
    8,580.87x = 56,887,403.94
  5. Step 5: Solve for x
    x = 56,887,403.94/8,580.87
  6. Step 6: Final answer
    x = 6,629.56

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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.