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Finding the Fourth Proportional to 4,636.88, 6,953.12 and 2,689.68

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Solution

The fourth proportional to 4,636.88, 6,953.12 and 2,689.68 is: 4,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636.88 : 6,953.12 = 2,689.68 : x
  2. Step 2: Convert to fraction form
    4,636.88/6,953.12 = 2,689.68/x
  3. Step 3: Cross multiply
    4,636.88x = 6,953.12 × 2,689.68
  4. Step 4: Simplify right side
    4,636.88x = 18,701,667.80
  5. Step 5: Solve for x
    x = 18,701,667.80/4,636.88
  6. Step 6: Final answer
    x = 4,033.24

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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.