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Finding the Fourth Proportional to 9,041.65, 13,563.11 and 2,800.86

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Solution

The fourth proportional to 9,041.65, 13,563.11 and 2,800.86 is: 4,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,041.65 : 13,563.11 = 2,800.86 : x
  2. Step 2: Convert to fraction form
    9,041.65/13,563.11 = 2,800.86/x
  3. Step 3: Cross multiply
    9,041.65x = 13,563.11 × 2,800.86
  4. Step 4: Simplify right side
    9,041.65x = 37,988,304.46
  5. Step 5: Solve for x
    x = 37,988,304.46/9,041.65
  6. Step 6: Final answer
    x = 4,201.48

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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.