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Finding the Fourth Proportional to 59,361.90, 89,035.32 and 16,671.20

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Solution

The fourth proportional to 59,361.90, 89,035.32 and 16,671.20 is: 25,004.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,361.90 : 89,035.32 = 16,671.20 : x
  2. Step 2: Convert to fraction form
    59,361.90/89,035.32 = 16,671.20/x
  3. Step 3: Cross multiply
    59,361.90x = 89,035.32 × 16,671.20
  4. Step 4: Simplify right side
    59,361.90x = 1,484,325,181.61
  5. Step 5: Solve for x
    x = 1,484,325,181.61/59,361.90
  6. Step 6: Final answer
    x = 25,004.68

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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.