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Finding the Fourth Proportional to 1,146.94, 1,583.14 and 732.94

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Solution

The fourth proportional to 1,146.94, 1,583.14 and 732.94 is: 1,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146.94 : 1,583.14 = 732.94 : x
  2. Step 2: Convert to fraction form
    1,146.94/1,583.14 = 732.94/x
  3. Step 3: Cross multiply
    1,146.94x = 1,583.14 × 732.94
  4. Step 4: Simplify right side
    1,146.94x = 1,160,340.84
  5. Step 5: Solve for x
    x = 1,160,340.84/1,146.94
  6. Step 6: Final answer
    x = 1,011.69

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Why These Related Problems?

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