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Finding the Fourth Proportional to 950.52, 1,303.34 and 856.88

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Solution

The fourth proportional to 950.52, 1,303.34 and 856.88 is: 1,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.52 : 1,303.34 = 856.88 : x
  2. Step 2: Convert to fraction form
    950.52/1,303.34 = 856.88/x
  3. Step 3: Cross multiply
    950.52x = 1,303.34 × 856.88
  4. Step 4: Simplify right side
    950.52x = 1,116,805.98
  5. Step 5: Solve for x
    x = 1,116,805.98/950.52
  6. Step 6: Final answer
    x = 1,174.94

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.