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Finding the Fourth Proportional to 2,666.96, 4,000.44 and 2,018.96

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Solution

The fourth proportional to 2,666.96, 4,000.44 and 2,018.96 is: 3,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666.96 : 4,000.44 = 2,018.96 : x
  2. Step 2: Convert to fraction form
    2,666.96/4,000.44 = 2,018.96/x
  3. Step 3: Cross multiply
    2,666.96x = 4,000.44 × 2,018.96
  4. Step 4: Simplify right side
    2,666.96x = 8,076,728.34
  5. Step 5: Solve for x
    x = 8,076,728.34/2,666.96
  6. Step 6: Final answer
    x = 3,028.44

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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.