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Finding the Fourth Proportional to 7,683.99, 11,513.02 and 5,601.07

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Solution

The fourth proportional to 7,683.99, 11,513.02 and 5,601.07 is: 8,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.99 : 11,513.02 = 5,601.07 : x
  2. Step 2: Convert to fraction form
    7,683.99/11,513.02 = 5,601.07/x
  3. Step 3: Cross multiply
    7,683.99x = 11,513.02 × 5,601.07
  4. Step 4: Simplify right side
    7,683.99x = 64,485,230.93
  5. Step 5: Solve for x
    x = 64,485,230.93/7,683.99
  6. Step 6: Final answer
    x = 8,392.15

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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.