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Finding the Fourth Proportional to 15,804.92, 23,728.98 and 8,884.28

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Solution

The fourth proportional to 15,804.92, 23,728.98 and 8,884.28 is: 13,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,804.92 : 23,728.98 = 8,884.28 : x
  2. Step 2: Convert to fraction form
    15,804.92/23,728.98 = 8,884.28/x
  3. Step 3: Cross multiply
    15,804.92x = 23,728.98 × 8,884.28
  4. Step 4: Simplify right side
    15,804.92x = 210,814,902.43
  5. Step 5: Solve for x
    x = 210,814,902.43/15,804.92
  6. Step 6: Final answer
    x = 13,338.56

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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.