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Finding the Fourth Proportional to 26,905.36, 40,364.80 and 9,375.36

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Solution

The fourth proportional to 26,905.36, 40,364.80 and 9,375.36 is: 14,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.36 : 40,364.80 = 9,375.36 : x
  2. Step 2: Convert to fraction form
    26,905.36/40,364.80 = 9,375.36/x
  3. Step 3: Cross multiply
    26,905.36x = 40,364.80 × 9,375.36
  4. Step 4: Simplify right side
    26,905.36x = 378,434,531.33
  5. Step 5: Solve for x
    x = 378,434,531.33/26,905.36
  6. Step 6: Final answer
    x = 14,065.40

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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.