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Finding the Fourth Proportional to 956.50, 1,319.07 and 882.04

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Solution

The fourth proportional to 956.50, 1,319.07 and 882.04 is: 1,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.50 : 1,319.07 = 882.04 : x
  2. Step 2: Convert to fraction form
    956.50/1,319.07 = 882.04/x
  3. Step 3: Cross multiply
    956.50x = 1,319.07 × 882.04
  4. Step 4: Simplify right side
    956.50x = 1,163,472.50
  5. Step 5: Solve for x
    x = 1,163,472.50/956.50
  6. Step 6: Final answer
    x = 1,216.39

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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.