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Finding the Fourth Proportional to 16,201.60, 22,358.64 and 9,127.60

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Solution

The fourth proportional to 16,201.60, 22,358.64 and 9,127.60 is: 12,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,201.60 : 22,358.64 = 9,127.60 : x
  2. Step 2: Convert to fraction form
    16,201.60/22,358.64 = 9,127.60/x
  3. Step 3: Cross multiply
    16,201.60x = 22,358.64 × 9,127.60
  4. Step 4: Simplify right side
    16,201.60x = 204,080,722.46
  5. Step 5: Solve for x
    x = 204,080,722.46/16,201.60
  6. Step 6: Final answer
    x = 12,596.33

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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.