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Finding the Fourth Proportional to 18,070.70, 27,106.81 and 6,383.98

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Solution

The fourth proportional to 18,070.70, 27,106.81 and 6,383.98 is: 9,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.70 : 27,106.81 = 6,383.98 : x
  2. Step 2: Convert to fraction form
    18,070.70/27,106.81 = 6,383.98/x
  3. Step 3: Cross multiply
    18,070.70x = 27,106.81 × 6,383.98
  4. Step 4: Simplify right side
    18,070.70x = 173,049,332.90
  5. Step 5: Solve for x
    x = 173,049,332.90/18,070.70
  6. Step 6: Final answer
    x = 9,576.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.