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Finding the Fourth Proportional to 3,742.65, 5,614.29 and 969.30

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Solution

The fourth proportional to 3,742.65, 5,614.29 and 969.30 is: 1,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.65 : 5,614.29 = 969.30 : x
  2. Step 2: Convert to fraction form
    3,742.65/5,614.29 = 969.30/x
  3. Step 3: Cross multiply
    3,742.65x = 5,614.29 × 969.30
  4. Step 4: Simplify right side
    3,742.65x = 5,441,931.30
  5. Step 5: Solve for x
    x = 5,441,931.30/3,742.65
  6. Step 6: Final answer
    x = 1,454.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.