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Finding the Fourth Proportional to 6,457.03, 9,683.11 and 5,086.51

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Solution

The fourth proportional to 6,457.03, 9,683.11 and 5,086.51 is: 7,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.03 : 9,683.11 = 5,086.51 : x
  2. Step 2: Convert to fraction form
    6,457.03/9,683.11 = 5,086.51/x
  3. Step 3: Cross multiply
    6,457.03x = 9,683.11 × 5,086.51
  4. Step 4: Simplify right side
    6,457.03x = 49,253,218.00
  5. Step 5: Solve for x
    x = 49,253,218.00/6,457.03
  6. Step 6: Final answer
    x = 7,627.85

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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.