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Finding the Fourth Proportional to 7,333.63, 11,002.89 and 4,878.13

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Solution

The fourth proportional to 7,333.63, 11,002.89 and 4,878.13 is: 7,318.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.63 : 11,002.89 = 4,878.13 : x
  2. Step 2: Convert to fraction form
    7,333.63/11,002.89 = 4,878.13/x
  3. Step 3: Cross multiply
    7,333.63x = 11,002.89 × 4,878.13
  4. Step 4: Simplify right side
    7,333.63x = 53,673,527.80
  5. Step 5: Solve for x
    x = 53,673,527.80/7,333.63
  6. Step 6: Final answer
    x = 7,318.82

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