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Finding the Fourth Proportional to 30,216.57, 41,710.11 and 25,950.51

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Solution

The fourth proportional to 30,216.57, 41,710.11 and 25,950.51 is: 35,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.57 : 41,710.11 = 25,950.51 : x
  2. Step 2: Convert to fraction form
    30,216.57/41,710.11 = 25,950.51/x
  3. Step 3: Cross multiply
    30,216.57x = 41,710.11 × 25,950.51
  4. Step 4: Simplify right side
    30,216.57x = 1,082,398,626.66
  5. Step 5: Solve for x
    x = 1,082,398,626.66/30,216.57
  6. Step 6: Final answer
    x = 35,821.36

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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.