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Finding the Fourth Proportional to 4,899.66, 7,348.52 and 2,399.78

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Solution

The fourth proportional to 4,899.66, 7,348.52 and 2,399.78 is: 3,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.66 : 7,348.52 = 2,399.78 : x
  2. Step 2: Convert to fraction form
    4,899.66/7,348.52 = 2,399.78/x
  3. Step 3: Cross multiply
    4,899.66x = 7,348.52 × 2,399.78
  4. Step 4: Simplify right side
    4,899.66x = 17,634,794.58
  5. Step 5: Solve for x
    x = 17,634,794.58/4,899.66
  6. Step 6: Final answer
    x = 3,599.19

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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.