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Finding the Fourth Proportional to 15,896.40, 23,844.60 and 8,023.20

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Solution

The fourth proportional to 15,896.40, 23,844.60 and 8,023.20 is: 12,034.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.40 : 23,844.60 = 8,023.20 : x
  2. Step 2: Convert to fraction form
    15,896.40/23,844.60 = 8,023.20/x
  3. Step 3: Cross multiply
    15,896.40x = 23,844.60 × 8,023.20
  4. Step 4: Simplify right side
    15,896.40x = 191,309,994.72
  5. Step 5: Solve for x
    x = 191,309,994.72/15,896.40
  6. Step 6: Final answer
    x = 12,034.80

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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.