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Finding the Fourth Proportional to 17,418.96, 24,037.92 and 9,865.08

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Solution

The fourth proportional to 17,418.96, 24,037.92 and 9,865.08 is: 13,613.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.96 : 24,037.92 = 9,865.08 : x
  2. Step 2: Convert to fraction form
    17,418.96/24,037.92 = 9,865.08/x
  3. Step 3: Cross multiply
    17,418.96x = 24,037.92 × 9,865.08
  4. Step 4: Simplify right side
    17,418.96x = 237,136,003.83
  5. Step 5: Solve for x
    x = 237,136,003.83/17,418.96
  6. Step 6: Final answer
    x = 13,613.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.