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Finding the Fourth Proportional to 6,919.95, 9,549.44 and 3,775.93

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Solution

The fourth proportional to 6,919.95, 9,549.44 and 3,775.93 is: 5,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.95 : 9,549.44 = 3,775.93 : x
  2. Step 2: Convert to fraction form
    6,919.95/9,549.44 = 3,775.93/x
  3. Step 3: Cross multiply
    6,919.95x = 9,549.44 × 3,775.93
  4. Step 4: Simplify right side
    6,919.95x = 36,057,998.10
  5. Step 5: Solve for x
    x = 36,057,998.10/6,919.95
  6. Step 6: Final answer
    x = 5,210.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.