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Finding the Fourth Proportional to 6,666.38, 9,994.16 and 2,773.70

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Solution

The fourth proportional to 6,666.38, 9,994.16 and 2,773.70 is: 4,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.38 : 9,994.16 = 2,773.70 : x
  2. Step 2: Convert to fraction form
    6,666.38/9,994.16 = 2,773.70/x
  3. Step 3: Cross multiply
    6,666.38x = 9,994.16 × 2,773.70
  4. Step 4: Simplify right side
    6,666.38x = 27,720,801.59
  5. Step 5: Solve for x
    x = 27,720,801.59/6,666.38
  6. Step 6: Final answer
    x = 4,158.30

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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.