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Finding the Fourth Proportional to 3,769.79, 5,652.86 and 1,303.75

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Solution

The fourth proportional to 3,769.79, 5,652.86 and 1,303.75 is: 1,954.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.79 : 5,652.86 = 1,303.75 : x
  2. Step 2: Convert to fraction form
    3,769.79/5,652.86 = 1,303.75/x
  3. Step 3: Cross multiply
    3,769.79x = 5,652.86 × 1,303.75
  4. Step 4: Simplify right side
    3,769.79x = 7,369,916.23
  5. Step 5: Solve for x
    x = 7,369,916.23/3,769.79
  6. Step 6: Final answer
    x = 1,954.99

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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.