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Finding the Fourth Proportional to 7,321.93, 10,103.20 and 4,337.89

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Solution

The fourth proportional to 7,321.93, 10,103.20 and 4,337.89 is: 5,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.93 : 10,103.20 = 4,337.89 : x
  2. Step 2: Convert to fraction form
    7,321.93/10,103.20 = 4,337.89/x
  3. Step 3: Cross multiply
    7,321.93x = 10,103.20 × 4,337.89
  4. Step 4: Simplify right side
    7,321.93x = 43,826,570.25
  5. Step 5: Solve for x
    x = 43,826,570.25/7,321.93
  6. Step 6: Final answer
    x = 5,985.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.