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Finding the Fourth Proportional to 26,699.42, 40,048.70 and 10,900.98

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Solution

The fourth proportional to 26,699.42, 40,048.70 and 10,900.98 is: 16,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,699.42 : 40,048.70 = 10,900.98 : x
  2. Step 2: Convert to fraction form
    26,699.42/40,048.70 = 10,900.98/x
  3. Step 3: Cross multiply
    26,699.42x = 40,048.70 × 10,900.98
  4. Step 4: Simplify right side
    26,699.42x = 436,570,023.22
  5. Step 5: Solve for x
    x = 436,570,023.22/26,699.42
  6. Step 6: Final answer
    x = 16,351.29

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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.