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Finding the Fourth Proportional to 4,826.88, 7,235.52 and 2,876.16

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Solution

The fourth proportional to 4,826.88, 7,235.52 and 2,876.16 is: 4,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.88 : 7,235.52 = 2,876.16 : x
  2. Step 2: Convert to fraction form
    4,826.88/7,235.52 = 2,876.16/x
  3. Step 3: Cross multiply
    4,826.88x = 7,235.52 × 2,876.16
  4. Step 4: Simplify right side
    4,826.88x = 20,810,513.20
  5. Step 5: Solve for x
    x = 20,810,513.20/4,826.88
  6. Step 6: Final answer
    x = 4,311.38

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1.5x scale

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.