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Finding the Fourth Proportional to 4,711.80, 6,246.39 and 4,711.80

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Solution

The fourth proportional to 4,711.80, 6,246.39 and 4,711.80 is: 6,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.80 : 6,246.39 = 4,711.80 : x
  2. Step 2: Convert to fraction form
    4,711.80/6,246.39 = 4,711.80/x
  3. Step 3: Cross multiply
    4,711.80x = 6,246.39 × 4,711.80
  4. Step 4: Simplify right side
    4,711.80x = 29,431,740.40
  5. Step 5: Solve for x
    x = 29,431,740.40/4,711.80
  6. Step 6: Final answer
    x = 6,246.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.