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Finding the Fourth Proportional to 5,652.96, 8,480.64 and 1,757.28

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Solution

The fourth proportional to 5,652.96, 8,480.64 and 1,757.28 is: 2,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.96 : 8,480.64 = 1,757.28 : x
  2. Step 2: Convert to fraction form
    5,652.96/8,480.64 = 1,757.28/x
  3. Step 3: Cross multiply
    5,652.96x = 8,480.64 × 1,757.28
  4. Step 4: Simplify right side
    5,652.96x = 14,902,859.06
  5. Step 5: Solve for x
    x = 14,902,859.06/5,652.96
  6. Step 6: Final answer
    x = 2,636.29

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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.