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Finding the Fourth Proportional to 2,651.67, 3,658.11 and 1,707.13

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Solution

The fourth proportional to 2,651.67, 3,658.11 and 1,707.13 is: 2,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.67 : 3,658.11 = 1,707.13 : x
  2. Step 2: Convert to fraction form
    2,651.67/3,658.11 = 1,707.13/x
  3. Step 3: Cross multiply
    2,651.67x = 3,658.11 × 1,707.13
  4. Step 4: Simplify right side
    2,651.67x = 6,244,842.50
  5. Step 5: Solve for x
    x = 6,244,842.50/2,651.67
  6. Step 6: Final answer
    x = 2,355.06

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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.