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Finding the Fourth Proportional to 14,803.20, 22,203.36 and 3,859.20

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Solution

The fourth proportional to 14,803.20, 22,203.36 and 3,859.20 is: 5,788.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,803.20 : 22,203.36 = 3,859.20 : x
  2. Step 2: Convert to fraction form
    14,803.20/22,203.36 = 3,859.20/x
  3. Step 3: Cross multiply
    14,803.20x = 22,203.36 × 3,859.20
  4. Step 4: Simplify right side
    14,803.20x = 85,687,206.91
  5. Step 5: Solve for x
    x = 85,687,206.91/14,803.20
  6. Step 6: Final answer
    x = 5,788.42

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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.