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Finding the Fourth Proportional to 955.23, 1,319.04 and 924.27

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Solution

The fourth proportional to 955.23, 1,319.04 and 924.27 is: 1,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.23 : 1,319.04 = 924.27 : x
  2. Step 2: Convert to fraction form
    955.23/1,319.04 = 924.27/x
  3. Step 3: Cross multiply
    955.23x = 1,319.04 × 924.27
  4. Step 4: Simplify right side
    955.23x = 1,219,149.10
  5. Step 5: Solve for x
    x = 1,219,149.10/955.23
  6. Step 6: Final answer
    x = 1,276.29

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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.