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Finding the Fourth Proportional to 16,423, 22,664.30 and 8,971.48

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Solution

The fourth proportional to 16,423, 22,664.30 and 8,971.48 is: 12,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,423 : 22,664.30 = 8,971.48 : x
  2. Step 2: Convert to fraction form
    16,423/22,664.30 = 8,971.48/x
  3. Step 3: Cross multiply
    16,423x = 22,664.30 × 8,971.48
  4. Step 4: Simplify right side
    16,423x = 203,332,314.16
  5. Step 5: Solve for x
    x = 203,332,314.16/16,423
  6. Step 6: Final answer
    x = 12,380.95

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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.