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Finding the Fourth Proportional to 26,741.81, 40,112.72 and 7,020.33

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Solution

The fourth proportional to 26,741.81, 40,112.72 and 7,020.33 is: 10,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,741.81 : 40,112.72 = 7,020.33 : x
  2. Step 2: Convert to fraction form
    26,741.81/40,112.72 = 7,020.33/x
  3. Step 3: Cross multiply
    26,741.81x = 40,112.72 × 7,020.33
  4. Step 4: Simplify right side
    26,741.81x = 281,604,496.50
  5. Step 5: Solve for x
    x = 281,604,496.50/26,741.81
  6. Step 6: Final answer
    x = 10,530.50

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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.