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Finding the Fourth Proportional to 16,954.61, 23,396.41 and 9,400.50

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Solution

The fourth proportional to 16,954.61, 23,396.41 and 9,400.50 is: 12,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,954.61 : 23,396.41 = 9,400.50 : x
  2. Step 2: Convert to fraction form
    16,954.61/23,396.41 = 9,400.50/x
  3. Step 3: Cross multiply
    16,954.61x = 23,396.41 × 9,400.50
  4. Step 4: Simplify right side
    16,954.61x = 219,937,952.21
  5. Step 5: Solve for x
    x = 219,937,952.21/16,954.61
  6. Step 6: Final answer
    x = 12,972.16

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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.