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Finding the Fourth Proportional to 4,855.99, 7,285.08 and 1,934.23

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Solution

The fourth proportional to 4,855.99, 7,285.08 and 1,934.23 is: 2,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.99 : 7,285.08 = 1,934.23 : x
  2. Step 2: Convert to fraction form
    4,855.99/7,285.08 = 1,934.23/x
  3. Step 3: Cross multiply
    4,855.99x = 7,285.08 × 1,934.23
  4. Step 4: Simplify right side
    4,855.99x = 14,091,020.29
  5. Step 5: Solve for x
    x = 14,091,020.29/4,855.99
  6. Step 6: Final answer
    x = 2,901.78

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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.