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Finding the Fourth Proportional to 1,946.72, 2,919.63 and 958.52

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Solution

The fourth proportional to 1,946.72, 2,919.63 and 958.52 is: 1,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.72 : 2,919.63 = 958.52 : x
  2. Step 2: Convert to fraction form
    1,946.72/2,919.63 = 958.52/x
  3. Step 3: Cross multiply
    1,946.72x = 2,919.63 × 958.52
  4. Step 4: Simplify right side
    1,946.72x = 2,798,523.75
  5. Step 5: Solve for x
    x = 2,798,523.75/1,946.72
  6. Step 6: Final answer
    x = 1,437.56

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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.