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Finding the Fourth Proportional to 16,797.48, 23,179.62 and 9,345

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Solution

The fourth proportional to 16,797.48, 23,179.62 and 9,345 is: 12,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,797.48 : 23,179.62 = 9,345 : x
  2. Step 2: Convert to fraction form
    16,797.48/23,179.62 = 9,345/x
  3. Step 3: Cross multiply
    16,797.48x = 23,179.62 × 9,345
  4. Step 4: Simplify right side
    16,797.48x = 216,613,548.90
  5. Step 5: Solve for x
    x = 216,613,548.90/16,797.48
  6. Step 6: Final answer
    x = 12,895.60

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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.