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Finding the Fourth Proportional to 52,530, 72,491.40 and 33,667.13

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Solution

The fourth proportional to 52,530, 72,491.40 and 33,667.13 is: 46,460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,530 : 72,491.40 = 33,667.13 : x
  2. Step 2: Convert to fraction form
    52,530/72,491.40 = 33,667.13/x
  3. Step 3: Cross multiply
    52,530x = 72,491.40 × 33,667.13
  4. Step 4: Simplify right side
    52,530x = 2,440,577,025.23
  5. Step 5: Solve for x
    x = 2,440,577,025.23/52,530
  6. Step 6: Final answer
    x = 46,460.63

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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.