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Finding the Fourth Proportional to 68,003.88, 101,949.66 and 30,026.10

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Solution

The fourth proportional to 68,003.88, 101,949.66 and 30,026.10 is: 45,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,003.88 : 101,949.66 = 30,026.10 : x
  2. Step 2: Convert to fraction form
    68,003.88/101,949.66 = 30,026.10/x
  3. Step 3: Cross multiply
    68,003.88x = 101,949.66 × 30,026.10
  4. Step 4: Simplify right side
    68,003.88x = 3,061,150,686.13
  5. Step 5: Solve for x
    x = 3,061,150,686.13/68,003.88
  6. Step 6: Final answer
    x = 45,014.35

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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.