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Finding the Fourth Proportional to 16,724.60, 23,079.94 and 9,272.60

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Solution

The fourth proportional to 16,724.60, 23,079.94 and 9,272.60 is: 12,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,724.60 : 23,079.94 = 9,272.60 : x
  2. Step 2: Convert to fraction form
    16,724.60/23,079.94 = 9,272.60/x
  3. Step 3: Cross multiply
    16,724.60x = 23,079.94 × 9,272.60
  4. Step 4: Simplify right side
    16,724.60x = 214,011,051.64
  5. Step 5: Solve for x
    x = 214,011,051.64/16,724.60
  6. Step 6: Final answer
    x = 12,796.18

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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.