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Finding the Fourth Proportional to 950.52, 1,312.33 and 850.76

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Solution

The fourth proportional to 950.52, 1,312.33 and 850.76 is: 1,174.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    950.52 : 1,312.33 = 850.76 : x
  2. Step 2: Convert to fraction form
    950.52/1,312.33 = 850.76/x
  3. Step 3: Cross multiply
    950.52x = 1,312.33 × 850.76
  4. Step 4: Simplify right side
    950.52x = 1,116,483.81
  5. Step 5: Solve for x
    x = 1,116,483.81/950.52
  6. Step 6: Final answer
    x = 1,174.61

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1.5x scale

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.