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Finding the Fourth Proportional to 5,789.79, 8,683.50 and 1,629.99

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Solution

The fourth proportional to 5,789.79, 8,683.50 and 1,629.99 is: 2,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.79 : 8,683.50 = 1,629.99 : x
  2. Step 2: Convert to fraction form
    5,789.79/8,683.50 = 1,629.99/x
  3. Step 3: Cross multiply
    5,789.79x = 8,683.50 × 1,629.99
  4. Step 4: Simplify right side
    5,789.79x = 14,154,018.17
  5. Step 5: Solve for x
    x = 14,154,018.17/5,789.79
  6. Step 6: Final answer
    x = 2,444.65

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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.