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Finding the Fourth Proportional to 5,858.87, 8,790.32 and 3,664.98

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Solution

The fourth proportional to 5,858.87, 8,790.32 and 3,664.98 is: 5,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.87 : 8,790.32 = 3,664.98 : x
  2. Step 2: Convert to fraction form
    5,858.87/8,790.32 = 3,664.98/x
  3. Step 3: Cross multiply
    5,858.87x = 8,790.32 × 3,664.98
  4. Step 4: Simplify right side
    5,858.87x = 32,216,356.16
  5. Step 5: Solve for x
    x = 32,216,356.16/5,858.87
  6. Step 6: Final answer
    x = 5,498.74

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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.