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Finding the Fourth Proportional to 5,619.68, 7,755.04 and 3,262.24

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Solution

The fourth proportional to 5,619.68, 7,755.04 and 3,262.24 is: 4,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.68 : 7,755.04 = 3,262.24 : x
  2. Step 2: Convert to fraction form
    5,619.68/7,755.04 = 3,262.24/x
  3. Step 3: Cross multiply
    5,619.68x = 7,755.04 × 3,262.24
  4. Step 4: Simplify right side
    5,619.68x = 25,298,801.69
  5. Step 5: Solve for x
    x = 25,298,801.69/5,619.68
  6. Step 6: Final answer
    x = 4,501.82

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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.