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Finding the Fourth Proportional to 7,402.13, 11,028.94 and 7,203.75

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Solution

The fourth proportional to 7,402.13, 11,028.94 and 7,203.75 is: 10,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.13 : 11,028.94 = 7,203.75 : x
  2. Step 2: Convert to fraction form
    7,402.13/11,028.94 = 7,203.75/x
  3. Step 3: Cross multiply
    7,402.13x = 11,028.94 × 7,203.75
  4. Step 4: Simplify right side
    7,402.13x = 79,449,726.53
  5. Step 5: Solve for x
    x = 79,449,726.53/7,402.13
  6. Step 6: Final answer
    x = 10,733.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.