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Finding the Fourth Proportional to 19,995.94, 29,994.99 and 5,204.89

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Solution

The fourth proportional to 19,995.94, 29,994.99 and 5,204.89 is: 7,807.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.94 : 29,994.99 = 5,204.89 : x
  2. Step 2: Convert to fraction form
    19,995.94/29,994.99 = 5,204.89/x
  3. Step 3: Cross multiply
    19,995.94x = 29,994.99 × 5,204.89
  4. Step 4: Simplify right side
    19,995.94x = 156,120,623.50
  5. Step 5: Solve for x
    x = 156,120,623.50/19,995.94
  6. Step 6: Final answer
    x = 7,807.62

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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.