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Finding the Fourth Proportional to 30,857.56, 46,285.99 and 9,797.03

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Solution

The fourth proportional to 30,857.56, 46,285.99 and 9,797.03 is: 14,695.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,857.56 : 46,285.99 = 9,797.03 : x
  2. Step 2: Convert to fraction form
    30,857.56/46,285.99 = 9,797.03/x
  3. Step 3: Cross multiply
    30,857.56x = 46,285.99 × 9,797.03
  4. Step 4: Simplify right side
    30,857.56x = 453,465,465.73
  5. Step 5: Solve for x
    x = 453,465,465.73/30,857.56
  6. Step 6: Final answer
    x = 14,695.44

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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.