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Finding the Fourth Proportional to 7,309.58, 10,087.20 and 3,952.37

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Solution

The fourth proportional to 7,309.58, 10,087.20 and 3,952.37 is: 5,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,309.58 : 10,087.20 = 3,952.37 : x
  2. Step 2: Convert to fraction form
    7,309.58/10,087.20 = 3,952.37/x
  3. Step 3: Cross multiply
    7,309.58x = 10,087.20 × 3,952.37
  4. Step 4: Simplify right side
    7,309.58x = 39,868,346.66
  5. Step 5: Solve for x
    x = 39,868,346.66/7,309.58
  6. Step 6: Final answer
    x = 5,454.26

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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.