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Finding the Fourth Proportional to 957.87, 1,323.16 and 750.66

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Solution

The fourth proportional to 957.87, 1,323.16 and 750.66 is: 1,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.87 : 1,323.16 = 750.66 : x
  2. Step 2: Convert to fraction form
    957.87/1,323.16 = 750.66/x
  3. Step 3: Cross multiply
    957.87x = 1,323.16 × 750.66
  4. Step 4: Simplify right side
    957.87x = 993,243.29
  5. Step 5: Solve for x
    x = 993,243.29/957.87
  6. Step 6: Final answer
    x = 1,036.93

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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.