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Finding the Fourth Proportional to 12,373.95, 18,544.08 and 6,818.97

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Solution

The fourth proportional to 12,373.95, 18,544.08 and 6,818.97 is: 10,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.95 : 18,544.08 = 6,818.97 : x
  2. Step 2: Convert to fraction form
    12,373.95/18,544.08 = 6,818.97/x
  3. Step 3: Cross multiply
    12,373.95x = 18,544.08 × 6,818.97
  4. Step 4: Simplify right side
    12,373.95x = 126,451,525.20
  5. Step 5: Solve for x
    x = 126,451,525.20/12,373.95
  6. Step 6: Final answer
    x = 10,219.17

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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.