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Finding the Fourth Proportional to 15,995.80, 23,993.97 and 4,904.47

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Solution

The fourth proportional to 15,995.80, 23,993.97 and 4,904.47 is: 7,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.80 : 23,993.97 = 4,904.47 : x
  2. Step 2: Convert to fraction form
    15,995.80/23,993.97 = 4,904.47/x
  3. Step 3: Cross multiply
    15,995.80x = 23,993.97 × 4,904.47
  4. Step 4: Simplify right side
    15,995.80x = 117,677,706.05
  5. Step 5: Solve for x
    x = 117,677,706.05/15,995.80
  6. Step 6: Final answer
    x = 7,356.79

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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.