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Finding the Fourth Proportional to 13,866.86, 20,797.22 and 4,003.99

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Solution

The fourth proportional to 13,866.86, 20,797.22 and 4,003.99 is: 6,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.86 : 20,797.22 = 4,003.99 : x
  2. Step 2: Convert to fraction form
    13,866.86/20,797.22 = 4,003.99/x
  3. Step 3: Cross multiply
    13,866.86x = 20,797.22 × 4,003.99
  4. Step 4: Simplify right side
    13,866.86x = 83,271,818.92
  5. Step 5: Solve for x
    x = 83,271,818.92/13,866.86
  6. Step 6: Final answer
    x = 6,005.10

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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.