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Finding the Fourth Proportional to 45,410.40, 68,018.40 and 37,634.40

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Solution

The fourth proportional to 45,410.40, 68,018.40 and 37,634.40 is: 56,371.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,410.40 : 68,018.40 = 37,634.40 : x
  2. Step 2: Convert to fraction form
    45,410.40/68,018.40 = 37,634.40/x
  3. Step 3: Cross multiply
    45,410.40x = 68,018.40 × 37,634.40
  4. Step 4: Simplify right side
    45,410.40x = 2,559,831,672.96
  5. Step 5: Solve for x
    x = 2,559,831,672.96/45,410.40
  6. Step 6: Final answer
    x = 56,371.04

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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.