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Finding the Fourth Proportional to 14,593.80, 20,137.50 and 8,623.02

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Solution

The fourth proportional to 14,593.80, 20,137.50 and 8,623.02 is: 11,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.80 : 20,137.50 = 8,623.02 : x
  2. Step 2: Convert to fraction form
    14,593.80/20,137.50 = 8,623.02/x
  3. Step 3: Cross multiply
    14,593.80x = 20,137.50 × 8,623.02
  4. Step 4: Simplify right side
    14,593.80x = 173,646,065.25
  5. Step 5: Solve for x
    x = 173,646,065.25/14,593.80
  6. Step 6: Final answer
    x = 11,898.62

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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.