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Finding the Fourth Proportional to 26,912.60, 40,368.90 and 23,629.40

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Solution

The fourth proportional to 26,912.60, 40,368.90 and 23,629.40 is: 35,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.60 : 40,368.90 = 23,629.40 : x
  2. Step 2: Convert to fraction form
    26,912.60/40,368.90 = 23,629.40/x
  3. Step 3: Cross multiply
    26,912.60x = 40,368.90 × 23,629.40
  4. Step 4: Simplify right side
    26,912.60x = 953,892,885.66
  5. Step 5: Solve for x
    x = 953,892,885.66/26,912.60
  6. Step 6: Final answer
    x = 35,444.10

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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.