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Finding the Fourth Proportional to 7,390.56, 11,078.52 and 3,010.56

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Solution

The fourth proportional to 7,390.56, 11,078.52 and 3,010.56 is: 4,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.56 : 11,078.52 = 3,010.56 : x
  2. Step 2: Convert to fraction form
    7,390.56/11,078.52 = 3,010.56/x
  3. Step 3: Cross multiply
    7,390.56x = 11,078.52 × 3,010.56
  4. Step 4: Simplify right side
    7,390.56x = 33,352,549.17
  5. Step 5: Solve for x
    x = 33,352,549.17/7,390.56
  6. Step 6: Final answer
    x = 4,512.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.