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Finding the Fourth Proportional to 19,812.86, 29,723.19 and 7,333.00

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Solution

The fourth proportional to 19,812.86, 29,723.19 and 7,333.00 is: 11,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.86 : 29,723.19 = 7,333.00 : x
  2. Step 2: Convert to fraction form
    19,812.86/29,723.19 = 7,333.00/x
  3. Step 3: Cross multiply
    19,812.86x = 29,723.19 × 7,333.00
  4. Step 4: Simplify right side
    19,812.86x = 217,960,020.89
  5. Step 5: Solve for x
    x = 217,960,020.89/19,812.86
  6. Step 6: Final answer
    x = 11,000.93

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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.