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Finding the Fourth Proportional to 7,017.64, 10,532.22 and 3,555.88

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Solution

The fourth proportional to 7,017.64, 10,532.22 and 3,555.88 is: 5,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.64 : 10,532.22 = 3,555.88 : x
  2. Step 2: Convert to fraction form
    7,017.64/10,532.22 = 3,555.88/x
  3. Step 3: Cross multiply
    7,017.64x = 10,532.22 × 3,555.88
  4. Step 4: Simplify right side
    7,017.64x = 37,451,310.45
  5. Step 5: Solve for x
    x = 37,451,310.45/7,017.64
  6. Step 6: Final answer
    x = 5,336.74

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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.