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Finding the Fourth Proportional to 26,707.44, 40,063.44 and 6,985.98

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Solution

The fourth proportional to 26,707.44, 40,063.44 and 6,985.98 is: 10,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,707.44 : 40,063.44 = 6,985.98 : x
  2. Step 2: Convert to fraction form
    26,707.44/40,063.44 = 6,985.98/x
  3. Step 3: Cross multiply
    26,707.44x = 40,063.44 × 6,985.98
  4. Step 4: Simplify right side
    26,707.44x = 279,882,390.57
  5. Step 5: Solve for x
    x = 279,882,390.57/26,707.44
  6. Step 6: Final answer
    x = 10,479.57

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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.