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Finding the Fourth Proportional to 16,727.60, 23,083.08 and 9,275.60

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Solution

The fourth proportional to 16,727.60, 23,083.08 and 9,275.60 is: 12,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,727.60 : 23,083.08 = 9,275.60 : x
  2. Step 2: Convert to fraction form
    16,727.60/23,083.08 = 9,275.60/x
  3. Step 3: Cross multiply
    16,727.60x = 23,083.08 × 9,275.60
  4. Step 4: Simplify right side
    16,727.60x = 214,109,416.85
  5. Step 5: Solve for x
    x = 214,109,416.85/16,727.60
  6. Step 6: Final answer
    x = 12,799.77

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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.