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Finding the Fourth Proportional to 6,307.57, 8,703.99 and 3,755.19

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Solution

The fourth proportional to 6,307.57, 8,703.99 and 3,755.19 is: 5,181.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.57 : 8,703.99 = 3,755.19 : x
  2. Step 2: Convert to fraction form
    6,307.57/8,703.99 = 3,755.19/x
  3. Step 3: Cross multiply
    6,307.57x = 8,703.99 × 3,755.19
  4. Step 4: Simplify right side
    6,307.57x = 32,685,136.21
  5. Step 5: Solve for x
    x = 32,685,136.21/6,307.57
  6. Step 6: Final answer
    x = 5,181.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.