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Finding the Fourth Proportional to 35,112.88, 48,455.82 and 20,004.88

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Solution

The fourth proportional to 35,112.88, 48,455.82 and 20,004.88 is: 27,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,112.88 : 48,455.82 = 20,004.88 : x
  2. Step 2: Convert to fraction form
    35,112.88/48,455.82 = 20,004.88/x
  3. Step 3: Cross multiply
    35,112.88x = 48,455.82 × 20,004.88
  4. Step 4: Simplify right side
    35,112.88x = 969,352,864.40
  5. Step 5: Solve for x
    x = 969,352,864.40/35,112.88
  6. Step 6: Final answer
    x = 27,606.76

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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.