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Finding the Fourth Proportional to 5,599.77, 8,404.84 and 2,828.38

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Solution

The fourth proportional to 5,599.77, 8,404.84 and 2,828.38 is: 4,245.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.77 : 8,404.84 = 2,828.38 : x
  2. Step 2: Convert to fraction form
    5,599.77/8,404.84 = 2,828.38/x
  3. Step 3: Cross multiply
    5,599.77x = 8,404.84 × 2,828.38
  4. Step 4: Simplify right side
    5,599.77x = 23,772,083.51
  5. Step 5: Solve for x
    x = 23,772,083.51/5,599.77
  6. Step 6: Final answer
    x = 4,245.19

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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.