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Finding the Fourth Proportional to 12,596.94, 17,384.76 and 8,623.44

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Solution

The fourth proportional to 12,596.94, 17,384.76 and 8,623.44 is: 11,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596.94 : 17,384.76 = 8,623.44 : x
  2. Step 2: Convert to fraction form
    12,596.94/17,384.76 = 8,623.44/x
  3. Step 3: Cross multiply
    12,596.94x = 17,384.76 × 8,623.44
  4. Step 4: Simplify right side
    12,596.94x = 149,916,434.77
  5. Step 5: Solve for x
    x = 149,916,434.77/12,596.94
  6. Step 6: Final answer
    x = 11,901.02

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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.