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Finding the Fourth Proportional to 8,702.54, 13,033.99 and 6,816.66

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Solution

The fourth proportional to 8,702.54, 13,033.99 and 6,816.66 is: 10,209.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.54 : 13,033.99 = 6,816.66 : x
  2. Step 2: Convert to fraction form
    8,702.54/13,033.99 = 6,816.66/x
  3. Step 3: Cross multiply
    8,702.54x = 13,033.99 × 6,816.66
  4. Step 4: Simplify right side
    8,702.54x = 88,848,278.27
  5. Step 5: Solve for x
    x = 88,848,278.27/8,702.54
  6. Step 6: Final answer
    x = 10,209.47

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1.5x scale

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.