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Finding the Fourth Proportional to 16,423.22, 22,664.06 and 9,349.63

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Solution

The fourth proportional to 16,423.22, 22,664.06 and 9,349.63 is: 12,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,423.22 : 22,664.06 = 9,349.63 : x
  2. Step 2: Convert to fraction form
    16,423.22/22,664.06 = 9,349.63/x
  3. Step 3: Cross multiply
    16,423.22x = 22,664.06 × 9,349.63
  4. Step 4: Simplify right side
    16,423.22x = 211,900,415.23
  5. Step 5: Solve for x
    x = 211,900,415.23/16,423.22
  6. Step 6: Final answer
    x = 12,902.49

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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.