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Finding the Fourth Proportional to 9,755.42, 13,462.49 and 5,507.39

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Solution

The fourth proportional to 9,755.42, 13,462.49 and 5,507.39 is: 7,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.42 : 13,462.49 = 5,507.39 : x
  2. Step 2: Convert to fraction form
    9,755.42/13,462.49 = 5,507.39/x
  3. Step 3: Cross multiply
    9,755.42x = 13,462.49 × 5,507.39
  4. Step 4: Simplify right side
    9,755.42x = 74,143,230.23
  5. Step 5: Solve for x
    x = 74,143,230.23/9,755.42
  6. Step 6: Final answer
    x = 7,600.21

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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.