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Finding the Fourth Proportional to 16,578.57, 24,867.85 and 4,890.87

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Solution

The fourth proportional to 16,578.57, 24,867.85 and 4,890.87 is: 7,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578.57 : 24,867.85 = 4,890.87 : x
  2. Step 2: Convert to fraction form
    16,578.57/24,867.85 = 4,890.87/x
  3. Step 3: Cross multiply
    16,578.57x = 24,867.85 × 4,890.87
  4. Step 4: Simplify right side
    16,578.57x = 121,625,421.53
  5. Step 5: Solve for x
    x = 121,625,421.53/16,578.57
  6. Step 6: Final answer
    x = 7,336.30

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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.