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Finding the Fourth Proportional to 26,713.60, 40,069.44 and 8,245.60

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Solution

The fourth proportional to 26,713.60, 40,069.44 and 8,245.60 is: 12,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,713.60 : 40,069.44 = 8,245.60 : x
  2. Step 2: Convert to fraction form
    26,713.60/40,069.44 = 8,245.60/x
  3. Step 3: Cross multiply
    26,713.60x = 40,069.44 × 8,245.60
  4. Step 4: Simplify right side
    26,713.60x = 330,396,574.46
  5. Step 5: Solve for x
    x = 330,396,574.46/26,713.60
  6. Step 6: Final answer
    x = 12,368.10

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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.