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Finding the Fourth Proportional to 26,824.40, 40,220.60 and 16,443.60

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Solution

The fourth proportional to 26,824.40, 40,220.60 and 16,443.60 is: 24,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,824.40 : 40,220.60 = 16,443.60 : x
  2. Step 2: Convert to fraction form
    26,824.40/40,220.60 = 16,443.60/x
  3. Step 3: Cross multiply
    26,824.40x = 40,220.60 × 16,443.60
  4. Step 4: Simplify right side
    26,824.40x = 661,371,458.16
  5. Step 5: Solve for x
    x = 661,371,458.16/26,824.40
  6. Step 6: Final answer
    x = 24,655.59

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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.