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Finding the Fourth Proportional to 16,682, 23,017.46 and 9,966.60

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Solution

The fourth proportional to 16,682, 23,017.46 and 9,966.60 is: 13,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,682 : 23,017.46 = 9,966.60 : x
  2. Step 2: Convert to fraction form
    16,682/23,017.46 = 9,966.60/x
  3. Step 3: Cross multiply
    16,682x = 23,017.46 × 9,966.60
  4. Step 4: Simplify right side
    16,682x = 229,405,816.84
  5. Step 5: Solve for x
    x = 229,405,816.84/16,682
  6. Step 6: Final answer
    x = 13,751.70

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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.