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Finding the Fourth Proportional to 953.29, 1,429.94 and 587.37

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Solution

The fourth proportional to 953.29, 1,429.94 and 587.37 is: 881.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.29 : 1,429.94 = 587.37 : x
  2. Step 2: Convert to fraction form
    953.29/1,429.94 = 587.37/x
  3. Step 3: Cross multiply
    953.29x = 1,429.94 × 587.37
  4. Step 4: Simplify right side
    953.29x = 839,903.86
  5. Step 5: Solve for x
    x = 839,903.86/953.29
  6. Step 6: Final answer
    x = 881.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.