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Finding the Fourth Proportional to 5,997.60, 8,999.10 and 2,876.40

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Solution

The fourth proportional to 5,997.60, 8,999.10 and 2,876.40 is: 4,315.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,997.60 : 8,999.10 = 2,876.40 : x
  2. Step 2: Convert to fraction form
    5,997.60/8,999.10 = 2,876.40/x
  3. Step 3: Cross multiply
    5,997.60x = 8,999.10 × 2,876.40
  4. Step 4: Simplify right side
    5,997.60x = 25,885,011.24
  5. Step 5: Solve for x
    x = 25,885,011.24/5,997.60
  6. Step 6: Final answer
    x = 4,315.89

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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.