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Finding the Fourth Proportional to 4,708.68, 7,063.29 and 1,786.92

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Solution

The fourth proportional to 4,708.68, 7,063.29 and 1,786.92 is: 2,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,708.68 : 7,063.29 = 1,786.92 : x
  2. Step 2: Convert to fraction form
    4,708.68/7,063.29 = 1,786.92/x
  3. Step 3: Cross multiply
    4,708.68x = 7,063.29 × 1,786.92
  4. Step 4: Simplify right side
    4,708.68x = 12,621,534.17
  5. Step 5: Solve for x
    x = 12,621,534.17/4,708.68
  6. Step 6: Final answer
    x = 2,680.48

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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.