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Finding the Fourth Proportional to 4,597.98, 6,899.85 and 1,861.98

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Solution

The fourth proportional to 4,597.98, 6,899.85 and 1,861.98 is: 2,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,597.98 : 6,899.85 = 1,861.98 : x
  2. Step 2: Convert to fraction form
    4,597.98/6,899.85 = 1,861.98/x
  3. Step 3: Cross multiply
    4,597.98x = 6,899.85 × 1,861.98
  4. Step 4: Simplify right side
    4,597.98x = 12,847,382.70
  5. Step 5: Solve for x
    x = 12,847,382.70/4,597.98
  6. Step 6: Final answer
    x = 2,794.14

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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.