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Finding the Fourth Proportional to 1,516.76, 2,094.50 and 958.22

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Solution

The fourth proportional to 1,516.76, 2,094.50 and 958.22 is: 1,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.76 : 2,094.50 = 958.22 : x
  2. Step 2: Convert to fraction form
    1,516.76/2,094.50 = 958.22/x
  3. Step 3: Cross multiply
    1,516.76x = 2,094.50 × 958.22
  4. Step 4: Simplify right side
    1,516.76x = 2,006,991.79
  5. Step 5: Solve for x
    x = 2,006,991.79/1,516.76
  6. Step 6: Final answer
    x = 1,323.21

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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.