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Finding the Fourth Proportional to 6,612.67, 9,918.70 and 2,230.10

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Solution

The fourth proportional to 6,612.67, 9,918.70 and 2,230.10 is: 3,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.67 : 9,918.70 = 2,230.10 : x
  2. Step 2: Convert to fraction form
    6,612.67/9,918.70 = 2,230.10/x
  3. Step 3: Cross multiply
    6,612.67x = 9,918.70 × 2,230.10
  4. Step 4: Simplify right side
    6,612.67x = 22,119,692.87
  5. Step 5: Solve for x
    x = 22,119,692.87/6,612.67
  6. Step 6: Final answer
    x = 3,345.05

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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.