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Finding the Fourth Proportional to 16,613.16, 24,919.32 and 6,749.76

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Solution

The fourth proportional to 16,613.16, 24,919.32 and 6,749.76 is: 10,124.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,613.16 : 24,919.32 = 6,749.76 : x
  2. Step 2: Convert to fraction form
    16,613.16/24,919.32 = 6,749.76/x
  3. Step 3: Cross multiply
    16,613.16x = 24,919.32 × 6,749.76
  4. Step 4: Simplify right side
    16,613.16x = 168,199,429.36
  5. Step 5: Solve for x
    x = 168,199,429.36/16,613.16
  6. Step 6: Final answer
    x = 10,124.47

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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.