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Finding the Fourth Proportional to 16,392.84, 22,622.26 and 8,941.32

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Solution

The fourth proportional to 16,392.84, 22,622.26 and 8,941.32 is: 12,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392.84 : 22,622.26 = 8,941.32 : x
  2. Step 2: Convert to fraction form
    16,392.84/22,622.26 = 8,941.32/x
  3. Step 3: Cross multiply
    16,392.84x = 22,622.26 × 8,941.32
  4. Step 4: Simplify right side
    16,392.84x = 202,272,865.78
  5. Step 5: Solve for x
    x = 202,272,865.78/16,392.84
  6. Step 6: Final answer
    x = 12,339.10

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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.