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Finding the Fourth Proportional to 10,993.79, 16,473.39 and 8,501.07

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Solution

The fourth proportional to 10,993.79, 16,473.39 and 8,501.07 is: 12,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.79 : 16,473.39 = 8,501.07 : x
  2. Step 2: Convert to fraction form
    10,993.79/16,473.39 = 8,501.07/x
  3. Step 3: Cross multiply
    10,993.79x = 16,473.39 × 8,501.07
  4. Step 4: Simplify right side
    10,993.79x = 140,041,441.53
  5. Step 5: Solve for x
    x = 140,041,441.53/10,993.79
  6. Step 6: Final answer
    x = 12,738.23

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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.