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Finding the Fourth Proportional to 6,310.48, 8,703.96 and 5,469.68

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Solution

The fourth proportional to 6,310.48, 8,703.96 and 5,469.68 is: 7,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.48 : 8,703.96 = 5,469.68 : x
  2. Step 2: Convert to fraction form
    6,310.48/8,703.96 = 5,469.68/x
  3. Step 3: Cross multiply
    6,310.48x = 8,703.96 × 5,469.68
  4. Step 4: Simplify right side
    6,310.48x = 47,607,875.93
  5. Step 5: Solve for x
    x = 47,607,875.93/6,310.48
  6. Step 6: Final answer
    x = 7,544.26

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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.