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Finding the Fourth Proportional to 5,866.81, 8,800.17 and 3,905.17

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Solution

The fourth proportional to 5,866.81, 8,800.17 and 3,905.17 is: 5,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.81 : 8,800.17 = 3,905.17 : x
  2. Step 2: Convert to fraction form
    5,866.81/8,800.17 = 3,905.17/x
  3. Step 3: Cross multiply
    5,866.81x = 8,800.17 × 3,905.17
  4. Step 4: Simplify right side
    5,866.81x = 34,366,159.88
  5. Step 5: Solve for x
    x = 34,366,159.88/5,866.81
  6. Step 6: Final answer
    x = 5,857.73

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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.