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Finding the Fourth Proportional to 23,409.91, 35,098.47 and 8,616.91

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Solution

The fourth proportional to 23,409.91, 35,098.47 and 8,616.91 is: 12,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,409.91 : 35,098.47 = 8,616.91 : x
  2. Step 2: Convert to fraction form
    23,409.91/35,098.47 = 8,616.91/x
  3. Step 3: Cross multiply
    23,409.91x = 35,098.47 × 8,616.91
  4. Step 4: Simplify right side
    23,409.91x = 302,440,357.13
  5. Step 5: Solve for x
    x = 302,440,357.13/23,409.91
  6. Step 6: Final answer
    x = 12,919.33

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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.