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Finding the Fourth Proportional to 47,896.30, 71,855.62 and 14,616.30

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Solution

The fourth proportional to 47,896.30, 71,855.62 and 14,616.30 is: 21,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,896.30 : 71,855.62 = 14,616.30 : x
  2. Step 2: Convert to fraction form
    47,896.30/71,855.62 = 14,616.30/x
  3. Step 3: Cross multiply
    47,896.30x = 71,855.62 × 14,616.30
  4. Step 4: Simplify right side
    47,896.30x = 1,050,263,298.61
  5. Step 5: Solve for x
    x = 1,050,263,298.61/47,896.30
  6. Step 6: Final answer
    x = 21,927.86

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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.