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Finding the Fourth Proportional to 7,008.78, 10,513.89 and 4,050.54

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Solution

The fourth proportional to 7,008.78, 10,513.89 and 4,050.54 is: 6,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.78 : 10,513.89 = 4,050.54 : x
  2. Step 2: Convert to fraction form
    7,008.78/10,513.89 = 4,050.54/x
  3. Step 3: Cross multiply
    7,008.78x = 10,513.89 × 4,050.54
  4. Step 4: Simplify right side
    7,008.78x = 42,586,932.00
  5. Step 5: Solve for x
    x = 42,586,932.00/7,008.78
  6. Step 6: Final answer
    x = 6,076.23

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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.