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Finding the Fourth Proportional to 5,861.15, 8,792.75 and 3,783.15

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Solution

The fourth proportional to 5,861.15, 8,792.75 and 3,783.15 is: 5,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.15 : 8,792.75 = 3,783.15 : x
  2. Step 2: Convert to fraction form
    5,861.15/8,792.75 = 3,783.15/x
  3. Step 3: Cross multiply
    5,861.15x = 8,792.75 × 3,783.15
  4. Step 4: Simplify right side
    5,861.15x = 33,264,273.25
  5. Step 5: Solve for x
    x = 33,264,273.25/5,861.15
  6. Step 6: Final answer
    x = 5,675.39

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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.