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Finding the Fourth Proportional to 5,912.10, 8,868.64 and 1,529.64

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Solution

The fourth proportional to 5,912.10, 8,868.64 and 1,529.64 is: 2,294.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.10 : 8,868.64 = 1,529.64 : x
  2. Step 2: Convert to fraction form
    5,912.10/8,868.64 = 1,529.64/x
  3. Step 3: Cross multiply
    5,912.10x = 8,868.64 × 1,529.64
  4. Step 4: Simplify right side
    5,912.10x = 13,565,826.49
  5. Step 5: Solve for x
    x = 13,565,826.49/5,912.10
  6. Step 6: Final answer
    x = 2,294.59

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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.