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Finding the Fourth Proportional to 16,493.43, 22,762.41 and 9,422.13

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Solution

The fourth proportional to 16,493.43, 22,762.41 and 9,422.13 is: 13,003.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,493.43 : 22,762.41 = 9,422.13 : x
  2. Step 2: Convert to fraction form
    16,493.43/22,762.41 = 9,422.13/x
  3. Step 3: Cross multiply
    16,493.43x = 22,762.41 × 9,422.13
  4. Step 4: Simplify right side
    16,493.43x = 214,470,386.13
  5. Step 5: Solve for x
    x = 214,470,386.13/16,493.43
  6. Step 6: Final answer
    x = 13,003.38

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Double scale
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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.