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Finding the Fourth Proportional to 15,998.97, 23,990.55 and 4,902.98

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Solution

The fourth proportional to 15,998.97, 23,990.55 and 4,902.98 is: 7,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.97 : 23,990.55 = 4,902.98 : x
  2. Step 2: Convert to fraction form
    15,998.97/23,990.55 = 4,902.98/x
  3. Step 3: Cross multiply
    15,998.97x = 23,990.55 × 4,902.98
  4. Step 4: Simplify right side
    15,998.97x = 117,625,224.82
  5. Step 5: Solve for x
    x = 117,625,224.82/15,998.97
  6. Step 6: Final answer
    x = 7,352.05

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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.