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Finding the Fourth Proportional to 36,235, 50,023.74 and 28,258.12

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Solution

The fourth proportional to 36,235, 50,023.74 and 28,258.12 is: 39,011.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,235 : 50,023.74 = 28,258.12 : x
  2. Step 2: Convert to fraction form
    36,235/50,023.74 = 28,258.12/x
  3. Step 3: Cross multiply
    36,235x = 50,023.74 × 28,258.12
  4. Step 4: Simplify right side
    36,235x = 1,413,576,847.77
  5. Step 5: Solve for x
    x = 1,413,576,847.77/36,235
  6. Step 6: Final answer
    x = 39,011.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.