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Finding the Fourth Proportional to 5,625.99, 7,755.21 and 4,629.51

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Solution

The fourth proportional to 5,625.99, 7,755.21 and 4,629.51 is: 6,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.99 : 7,755.21 = 4,629.51 : x
  2. Step 2: Convert to fraction form
    5,625.99/7,755.21 = 4,629.51/x
  3. Step 3: Cross multiply
    5,625.99x = 7,755.21 × 4,629.51
  4. Step 4: Simplify right side
    5,625.99x = 35,902,822.25
  5. Step 5: Solve for x
    x = 35,902,822.25/5,625.99
  6. Step 6: Final answer
    x = 6,381.60

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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.