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Finding the Fourth Proportional to 30,267.74, 45,268.83 and 26,959.29

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Solution

The fourth proportional to 30,267.74, 45,268.83 and 26,959.29 is: 40,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,267.74 : 45,268.83 = 26,959.29 : x
  2. Step 2: Convert to fraction form
    30,267.74/45,268.83 = 26,959.29/x
  3. Step 3: Cross multiply
    30,267.74x = 45,268.83 × 26,959.29
  4. Step 4: Simplify right side
    30,267.74x = 1,220,415,515.93
  5. Step 5: Solve for x
    x = 1,220,415,515.93/30,267.74
  6. Step 6: Final answer
    x = 40,320.67

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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.