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Finding the Fourth Proportional to 1,337.46, 2,009.27 and 948.43

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Solution

The fourth proportional to 1,337.46, 2,009.27 and 948.43 is: 1,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.46 : 2,009.27 = 948.43 : x
  2. Step 2: Convert to fraction form
    1,337.46/2,009.27 = 948.43/x
  3. Step 3: Cross multiply
    1,337.46x = 2,009.27 × 948.43
  4. Step 4: Simplify right side
    1,337.46x = 1,905,645.53
  5. Step 5: Solve for x
    x = 1,905,645.53/1,337.46
  6. Step 6: Final answer
    x = 1,424.82

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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.