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Finding the Fourth Proportional to 9,373.51, 12,936.01 and 5,394.53

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Solution

The fourth proportional to 9,373.51, 12,936.01 and 5,394.53 is: 7,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,373.51 : 12,936.01 = 5,394.53 : x
  2. Step 2: Convert to fraction form
    9,373.51/12,936.01 = 5,394.53/x
  3. Step 3: Cross multiply
    9,373.51x = 12,936.01 × 5,394.53
  4. Step 4: Simplify right side
    9,373.51x = 69,783,712.88
  5. Step 5: Solve for x
    x = 69,783,712.88/9,373.51
  6. Step 6: Final answer
    x = 7,444.78

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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.