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Finding the Fourth Proportional to 16,957.91, 23,400.44 and 9,404.10

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Solution

The fourth proportional to 16,957.91, 23,400.44 and 9,404.10 is: 12,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.91 : 23,400.44 = 9,404.10 : x
  2. Step 2: Convert to fraction form
    16,957.91/23,400.44 = 9,404.10/x
  3. Step 3: Cross multiply
    16,957.91x = 23,400.44 × 9,404.10
  4. Step 4: Simplify right side
    16,957.91x = 220,060,118.95
  5. Step 5: Solve for x
    x = 220,060,118.95/16,957.91
  6. Step 6: Final answer
    x = 12,976.84

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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.