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Finding the Fourth Proportional to 16,411.50, 24,617.28 and 4,099.50

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Solution

The fourth proportional to 16,411.50, 24,617.28 and 4,099.50 is: 6,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,411.50 : 24,617.28 = 4,099.50 : x
  2. Step 2: Convert to fraction form
    16,411.50/24,617.28 = 4,099.50/x
  3. Step 3: Cross multiply
    16,411.50x = 24,617.28 × 4,099.50
  4. Step 4: Simplify right side
    16,411.50x = 100,918,539.36
  5. Step 5: Solve for x
    x = 100,918,539.36/16,411.50
  6. Step 6: Final answer
    x = 6,149.26

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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.