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Finding the Fourth Proportional to 1,558.84, 2,336.24 and 633.32

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Solution

The fourth proportional to 1,558.84, 2,336.24 and 633.32 is: 949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.84 : 2,336.24 = 633.32 : x
  2. Step 2: Convert to fraction form
    1,558.84/2,336.24 = 633.32/x
  3. Step 3: Cross multiply
    1,558.84x = 2,336.24 × 633.32
  4. Step 4: Simplify right side
    1,558.84x = 1,479,575.84
  5. Step 5: Solve for x
    x = 1,479,575.84/1,558.84
  6. Step 6: Final answer
    x = 949.15

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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.