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Finding the Fourth Proportional to 26,679.50, 40,010.74 and 10,884.50

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Solution

The fourth proportional to 26,679.50, 40,010.74 and 10,884.50 is: 16,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,679.50 : 40,010.74 = 10,884.50 : x
  2. Step 2: Convert to fraction form
    26,679.50/40,010.74 = 10,884.50/x
  3. Step 3: Cross multiply
    26,679.50x = 40,010.74 × 10,884.50
  4. Step 4: Simplify right side
    26,679.50x = 435,496,899.53
  5. Step 5: Solve for x
    x = 435,496,899.53/26,679.50
  6. Step 6: Final answer
    x = 16,323.28

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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.