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Finding the Fourth Proportional to 7,000.46, 10,498.22 and 2,068.78

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Solution

The fourth proportional to 7,000.46, 10,498.22 and 2,068.78 is: 3,102.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.46 : 10,498.22 = 2,068.78 : x
  2. Step 2: Convert to fraction form
    7,000.46/10,498.22 = 2,068.78/x
  3. Step 3: Cross multiply
    7,000.46x = 10,498.22 × 2,068.78
  4. Step 4: Simplify right side
    7,000.46x = 21,718,507.57
  5. Step 5: Solve for x
    x = 21,718,507.57/7,000.46
  6. Step 6: Final answer
    x = 3,102.44

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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.