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Finding the Fourth Proportional to 5,895.15, 8,842.49 and 1,999.55

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Solution

The fourth proportional to 5,895.15, 8,842.49 and 1,999.55 is: 2,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.15 : 8,842.49 = 1,999.55 : x
  2. Step 2: Convert to fraction form
    5,895.15/8,842.49 = 1,999.55/x
  3. Step 3: Cross multiply
    5,895.15x = 8,842.49 × 1,999.55
  4. Step 4: Simplify right side
    5,895.15x = 17,681,000.88
  5. Step 5: Solve for x
    x = 17,681,000.88/5,895.15
  6. Step 6: Final answer
    x = 2,999.25

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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.