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Finding the Fourth Proportional to 12,602.88, 18,900.72 and 6,015.96

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Solution

The fourth proportional to 12,602.88, 18,900.72 and 6,015.96 is: 9,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602.88 : 18,900.72 = 6,015.96 : x
  2. Step 2: Convert to fraction form
    12,602.88/18,900.72 = 6,015.96/x
  3. Step 3: Cross multiply
    12,602.88x = 18,900.72 × 6,015.96
  4. Step 4: Simplify right side
    12,602.88x = 113,705,975.49
  5. Step 5: Solve for x
    x = 113,705,975.49/12,602.88
  6. Step 6: Final answer
    x = 9,022.22

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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.