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Finding the Fourth Proportional to 3,049.08, 4,571.40 and 968.40

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Solution

The fourth proportional to 3,049.08, 4,571.40 and 968.40 is: 1,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.08 : 4,571.40 = 968.40 : x
  2. Step 2: Convert to fraction form
    3,049.08/4,571.40 = 968.40/x
  3. Step 3: Cross multiply
    3,049.08x = 4,571.40 × 968.40
  4. Step 4: Simplify right side
    3,049.08x = 4,426,943.76
  5. Step 5: Solve for x
    x = 4,426,943.76/3,049.08
  6. Step 6: Final answer
    x = 1,451.89

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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.