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Finding the Fourth Proportional to 4,866.48, 7,299.90 and 1,578.60

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Solution

The fourth proportional to 4,866.48, 7,299.90 and 1,578.60 is: 2,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.48 : 7,299.90 = 1,578.60 : x
  2. Step 2: Convert to fraction form
    4,866.48/7,299.90 = 1,578.60/x
  3. Step 3: Cross multiply
    4,866.48x = 7,299.90 × 1,578.60
  4. Step 4: Simplify right side
    4,866.48x = 11,523,622.14
  5. Step 5: Solve for x
    x = 11,523,622.14/4,866.48
  6. Step 6: Final answer
    x = 2,367.96

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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.