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Finding the Fourth Proportional to 6,305.63, 8,702.03 and 3,511.13

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Solution

The fourth proportional to 6,305.63, 8,702.03 and 3,511.13 is: 4,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,305.63 : 8,702.03 = 3,511.13 : x
  2. Step 2: Convert to fraction form
    6,305.63/8,702.03 = 3,511.13/x
  3. Step 3: Cross multiply
    6,305.63x = 8,702.03 × 3,511.13
  4. Step 4: Simplify right side
    6,305.63x = 30,553,923.86
  5. Step 5: Solve for x
    x = 30,553,923.86/6,305.63
  6. Step 6: Final answer
    x = 4,845.50

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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.