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Finding the Fourth Proportional to 5,550.84, 7,660.08 and 3,066.84

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Solution

The fourth proportional to 5,550.84, 7,660.08 and 3,066.84 is: 4,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.84 : 7,660.08 = 3,066.84 : x
  2. Step 2: Convert to fraction form
    5,550.84/7,660.08 = 3,066.84/x
  3. Step 3: Cross multiply
    5,550.84x = 7,660.08 × 3,066.84
  4. Step 4: Simplify right side
    5,550.84x = 23,492,239.75
  5. Step 5: Solve for x
    x = 23,492,239.75/5,550.84
  6. Step 6: Final answer
    x = 4,232.20

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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.