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Finding the Fourth Proportional to 6,613.53, 9,861.96 and 5,694.99

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Solution

The fourth proportional to 6,613.53, 9,861.96 and 5,694.99 is: 8,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.53 : 9,861.96 = 5,694.99 : x
  2. Step 2: Convert to fraction form
    6,613.53/9,861.96 = 5,694.99/x
  3. Step 3: Cross multiply
    6,613.53x = 9,861.96 × 5,694.99
  4. Step 4: Simplify right side
    6,613.53x = 56,163,763.58
  5. Step 5: Solve for x
    x = 56,163,763.58/6,613.53
  6. Step 6: Final answer
    x = 8,492.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.