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Finding the Fourth Proportional to 8,227.69, 12,341.68 and 2,681.01

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Solution

The fourth proportional to 8,227.69, 12,341.68 and 2,681.01 is: 4,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227.69 : 12,341.68 = 2,681.01 : x
  2. Step 2: Convert to fraction form
    8,227.69/12,341.68 = 2,681.01/x
  3. Step 3: Cross multiply
    8,227.69x = 12,341.68 × 2,681.01
  4. Step 4: Simplify right side
    8,227.69x = 33,088,160.79
  5. Step 5: Solve for x
    x = 33,088,160.79/8,227.69
  6. Step 6: Final answer
    x = 4,021.56

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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.