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Finding the Fourth Proportional to 1,364.68, 1,883.15 and 966.50

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Solution

The fourth proportional to 1,364.68, 1,883.15 and 966.50 is: 1,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364.68 : 1,883.15 = 966.50 : x
  2. Step 2: Convert to fraction form
    1,364.68/1,883.15 = 966.50/x
  3. Step 3: Cross multiply
    1,364.68x = 1,883.15 × 966.50
  4. Step 4: Simplify right side
    1,364.68x = 1,820,060.91
  5. Step 5: Solve for x
    x = 1,820,060.91/1,364.68
  6. Step 6: Final answer
    x = 1,333.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.