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Finding the Fourth Proportional to 16,607.37, 24,915.87 and 4,920.87

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Solution

The fourth proportional to 16,607.37, 24,915.87 and 4,920.87 is: 7,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,607.37 : 24,915.87 = 4,920.87 : x
  2. Step 2: Convert to fraction form
    16,607.37/24,915.87 = 4,920.87/x
  3. Step 3: Cross multiply
    16,607.37x = 24,915.87 × 4,920.87
  4. Step 4: Simplify right side
    16,607.37x = 122,607,757.21
  5. Step 5: Solve for x
    x = 122,607,757.21/16,607.37
  6. Step 6: Final answer
    x = 7,382.73

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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.