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Finding the Fourth Proportional to 4,821.52, 6,653.72 and 2,958.52

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Solution

The fourth proportional to 4,821.52, 6,653.72 and 2,958.52 is: 4,082.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.52 : 6,653.72 = 2,958.52 : x
  2. Step 2: Convert to fraction form
    4,821.52/6,653.72 = 2,958.52/x
  3. Step 3: Cross multiply
    4,821.52x = 6,653.72 × 2,958.52
  4. Step 4: Simplify right side
    4,821.52x = 19,685,163.69
  5. Step 5: Solve for x
    x = 19,685,163.69/4,821.52
  6. Step 6: Final answer
    x = 4,082.77

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1.5x scale

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.