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Finding the Fourth Proportional to 7,305.89, 10,149.73 and 7,237.58

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Solution

The fourth proportional to 7,305.89, 10,149.73 and 7,237.58 is: 10,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.89 : 10,149.73 = 7,237.58 : x
  2. Step 2: Convert to fraction form
    7,305.89/10,149.73 = 7,237.58/x
  3. Step 3: Cross multiply
    7,305.89x = 10,149.73 × 7,237.58
  4. Step 4: Simplify right side
    7,305.89x = 73,459,446.67
  5. Step 5: Solve for x
    x = 73,459,446.67/7,305.89
  6. Step 6: Final answer
    x = 10,054.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.