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Finding the Fourth Proportional to 14,911.92, 22,369.86 and 4,913.37

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Solution

The fourth proportional to 14,911.92, 22,369.86 and 4,913.37 is: 7,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.92 : 22,369.86 = 4,913.37 : x
  2. Step 2: Convert to fraction form
    14,911.92/22,369.86 = 4,913.37/x
  3. Step 3: Cross multiply
    14,911.92x = 22,369.86 × 4,913.37
  4. Step 4: Simplify right side
    14,911.92x = 109,911,399.03
  5. Step 5: Solve for x
    x = 109,911,399.03/14,911.92
  6. Step 6: Final answer
    x = 7,370.71

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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.