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Finding the Fourth Proportional to 5,909.67, 8,863.95 and 1,805.67

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Solution

The fourth proportional to 5,909.67, 8,863.95 and 1,805.67 is: 2,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.67 : 8,863.95 = 1,805.67 : x
  2. Step 2: Convert to fraction form
    5,909.67/8,863.95 = 1,805.67/x
  3. Step 3: Cross multiply
    5,909.67x = 8,863.95 × 1,805.67
  4. Step 4: Simplify right side
    5,909.67x = 16,005,368.60
  5. Step 5: Solve for x
    x = 16,005,368.60/5,909.67
  6. Step 6: Final answer
    x = 2,708.34

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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.