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Finding the Fourth Proportional to 8,906.63, 13,359.47 and 4,523.99

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Solution

The fourth proportional to 8,906.63, 13,359.47 and 4,523.99 is: 6,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.63 : 13,359.47 = 4,523.99 : x
  2. Step 2: Convert to fraction form
    8,906.63/13,359.47 = 4,523.99/x
  3. Step 3: Cross multiply
    8,906.63x = 13,359.47 × 4,523.99
  4. Step 4: Simplify right side
    8,906.63x = 60,438,019.27
  5. Step 5: Solve for x
    x = 60,438,019.27/8,906.63
  6. Step 6: Final answer
    x = 6,785.74

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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.