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Finding the Fourth Proportional to 8,955.72, 13,367.82 and 8,295.98

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Solution

The fourth proportional to 8,955.72, 13,367.82 and 8,295.98 is: 12,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.72 : 13,367.82 = 8,295.98 : x
  2. Step 2: Convert to fraction form
    8,955.72/13,367.82 = 8,295.98/x
  3. Step 3: Cross multiply
    8,955.72x = 13,367.82 × 8,295.98
  4. Step 4: Simplify right side
    8,955.72x = 110,899,167.36
  5. Step 5: Solve for x
    x = 110,899,167.36/8,955.72
  6. Step 6: Final answer
    x = 12,383.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.