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Finding the Fourth Proportional to 957.06, 1,433.70 and 750.60

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Solution

The fourth proportional to 957.06, 1,433.70 and 750.60 is: 1,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.06 : 1,433.70 = 750.60 : x
  2. Step 2: Convert to fraction form
    957.06/1,433.70 = 750.60/x
  3. Step 3: Cross multiply
    957.06x = 1,433.70 × 750.60
  4. Step 4: Simplify right side
    957.06x = 1,076,135.22
  5. Step 5: Solve for x
    x = 1,076,135.22/957.06
  6. Step 6: Final answer
    x = 1,124.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.