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Finding the Fourth Proportional to 36,995.76, 51,057 and 30,620.52

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Solution

The fourth proportional to 36,995.76, 51,057 and 30,620.52 is: 42,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,995.76 : 51,057 = 30,620.52 : x
  2. Step 2: Convert to fraction form
    36,995.76/51,057 = 30,620.52/x
  3. Step 3: Cross multiply
    36,995.76x = 51,057 × 30,620.52
  4. Step 4: Simplify right side
    36,995.76x = 1,563,391,889.64
  5. Step 5: Solve for x
    x = 1,563,391,889.64/36,995.76
  6. Step 6: Final answer
    x = 42,258.68

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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.