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Finding the Fourth Proportional to 9,803.52, 14,702.40 and 8,067.84

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Solution

The fourth proportional to 9,803.52, 14,702.40 and 8,067.84 is: 12,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,803.52 : 14,702.40 = 8,067.84 : x
  2. Step 2: Convert to fraction form
    9,803.52/14,702.40 = 8,067.84/x
  3. Step 3: Cross multiply
    9,803.52x = 14,702.40 × 8,067.84
  4. Step 4: Simplify right side
    9,803.52x = 118,616,610.82
  5. Step 5: Solve for x
    x = 118,616,610.82/9,803.52
  6. Step 6: Final answer
    x = 12,099.39

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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.