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Finding the Fourth Proportional to 4,975.49, 7,447.00 and 3,658.88

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Solution

The fourth proportional to 4,975.49, 7,447.00 and 3,658.88 is: 5,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.49 : 7,447.00 = 3,658.88 : x
  2. Step 2: Convert to fraction form
    4,975.49/7,447.00 = 3,658.88/x
  3. Step 3: Cross multiply
    4,975.49x = 7,447.00 × 3,658.88
  4. Step 4: Simplify right side
    4,975.49x = 27,247,688.83
  5. Step 5: Solve for x
    x = 27,247,688.83/4,975.49
  6. Step 6: Final answer
    x = 5,476.39

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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.