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Finding the Fourth Proportional to 7,047.65, 10,573.03 and 2,665.15

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Solution

The fourth proportional to 7,047.65, 10,573.03 and 2,665.15 is: 3,998.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.65 : 10,573.03 = 2,665.15 : x
  2. Step 2: Convert to fraction form
    7,047.65/10,573.03 = 2,665.15/x
  3. Step 3: Cross multiply
    7,047.65x = 10,573.03 × 2,665.15
  4. Step 4: Simplify right side
    7,047.65x = 28,178,710.90
  5. Step 5: Solve for x
    x = 28,178,710.90/7,047.65
  6. Step 6: Final answer
    x = 3,998.31

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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.