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Finding the Fourth Proportional to 8,339.56, 11,511.49 and 4,804.18

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Solution

The fourth proportional to 8,339.56, 11,511.49 and 4,804.18 is: 6,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.56 : 11,511.49 = 4,804.18 : x
  2. Step 2: Convert to fraction form
    8,339.56/11,511.49 = 4,804.18/x
  3. Step 3: Cross multiply
    8,339.56x = 11,511.49 × 4,804.18
  4. Step 4: Simplify right side
    8,339.56x = 55,303,246.01
  5. Step 5: Solve for x
    x = 55,303,246.01/8,339.56
  6. Step 6: Final answer
    x = 6,631.43

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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.