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Finding the Fourth Proportional to 46,990.75, 70,499.15 and 21,698.00

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Solution

The fourth proportional to 46,990.75, 70,499.15 and 21,698.00 is: 32,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,990.75 : 70,499.15 = 21,698.00 : x
  2. Step 2: Convert to fraction form
    46,990.75/70,499.15 = 21,698.00/x
  3. Step 3: Cross multiply
    46,990.75x = 70,499.15 × 21,698.00
  4. Step 4: Simplify right side
    46,990.75x = 1,529,690,183.84
  5. Step 5: Solve for x
    x = 1,529,690,183.84/46,990.75
  6. Step 6: Final answer
    x = 32,553.00

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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.