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Finding the Fourth Proportional to 16,462.74, 22,719.09 and 9,292.75

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Solution

The fourth proportional to 16,462.74, 22,719.09 and 9,292.75 is: 12,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,462.74 : 22,719.09 = 9,292.75 : x
  2. Step 2: Convert to fraction form
    16,462.74/22,719.09 = 9,292.75/x
  3. Step 3: Cross multiply
    16,462.74x = 22,719.09 × 9,292.75
  4. Step 4: Simplify right side
    16,462.74x = 211,122,823.60
  5. Step 5: Solve for x
    x = 211,122,823.60/16,462.74
  6. Step 6: Final answer
    x = 12,824.29

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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.