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Finding the Fourth Proportional to 4,633.34, 6,393.81 and 2,865.14

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Solution

The fourth proportional to 4,633.34, 6,393.81 and 2,865.14 is: 3,953.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,633.34 : 6,393.81 = 2,865.14 : x
  2. Step 2: Convert to fraction form
    4,633.34/6,393.81 = 2,865.14/x
  3. Step 3: Cross multiply
    4,633.34x = 6,393.81 × 2,865.14
  4. Step 4: Simplify right side
    4,633.34x = 18,319,160.78
  5. Step 5: Solve for x
    x = 18,319,160.78/4,633.34
  6. Step 6: Final answer
    x = 3,953.77

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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.