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Finding the Fourth Proportional to 16,968.91, 23,417.07 and 9,416.40

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Solution

The fourth proportional to 16,968.91, 23,417.07 and 9,416.40 is: 12,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.91 : 23,417.07 = 9,416.40 : x
  2. Step 2: Convert to fraction form
    16,968.91/23,417.07 = 9,416.40/x
  3. Step 3: Cross multiply
    16,968.91x = 23,417.07 × 9,416.40
  4. Step 4: Simplify right side
    16,968.91x = 220,504,497.95
  5. Step 5: Solve for x
    x = 220,504,497.95/16,968.91
  6. Step 6: Final answer
    x = 12,994.62

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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.