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Finding the Fourth Proportional to 26,775.30, 40,119.15 and 16,213.32

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Solution

The fourth proportional to 26,775.30, 40,119.15 and 16,213.32 is: 24,293.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,775.30 : 40,119.15 = 16,213.32 : x
  2. Step 2: Convert to fraction form
    26,775.30/40,119.15 = 16,213.32/x
  3. Step 3: Cross multiply
    26,775.30x = 40,119.15 × 16,213.32
  4. Step 4: Simplify right side
    26,775.30x = 650,464,617.08
  5. Step 5: Solve for x
    x = 650,464,617.08/26,775.30
  6. Step 6: Final answer
    x = 24,293.46

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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.