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Finding the Fourth Proportional to 5,849.98, 8,773.68 and 1,689.09

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Solution

The fourth proportional to 5,849.98, 8,773.68 and 1,689.09 is: 2,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,849.98 : 8,773.68 = 1,689.09 : x
  2. Step 2: Convert to fraction form
    5,849.98/8,773.68 = 1,689.09/x
  3. Step 3: Cross multiply
    5,849.98x = 8,773.68 × 1,689.09
  4. Step 4: Simplify right side
    5,849.98x = 14,819,491.28
  5. Step 5: Solve for x
    x = 14,819,491.28/5,849.98
  6. Step 6: Final answer
    x = 2,533.25

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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.