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Finding the Fourth Proportional to 35,111.88, 48,454.44 and 20,003.88

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Solution

The fourth proportional to 35,111.88, 48,454.44 and 20,003.88 is: 27,605.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,111.88 : 48,454.44 = 20,003.88 : x
  2. Step 2: Convert to fraction form
    35,111.88/48,454.44 = 20,003.88/x
  3. Step 3: Cross multiply
    35,111.88x = 48,454.44 × 20,003.88
  4. Step 4: Simplify right side
    35,111.88x = 969,276,803.23
  5. Step 5: Solve for x
    x = 969,276,803.23/35,111.88
  6. Step 6: Final answer
    x = 27,605.38

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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.