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Finding the Fourth Proportional to 15,899.88, 23,858.10 and 8,003.64

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Solution

The fourth proportional to 15,899.88, 23,858.10 and 8,003.64 is: 12,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.88 : 23,858.10 = 8,003.64 : x
  2. Step 2: Convert to fraction form
    15,899.88/23,858.10 = 8,003.64/x
  3. Step 3: Cross multiply
    15,899.88x = 23,858.10 × 8,003.64
  4. Step 4: Simplify right side
    15,899.88x = 190,951,643.48
  5. Step 5: Solve for x
    x = 190,951,643.48/15,899.88
  6. Step 6: Final answer
    x = 12,009.63

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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.