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Finding the Fourth Proportional to 7,751.52, 11,624.04 and 2,485.08

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Solution

The fourth proportional to 7,751.52, 11,624.04 and 2,485.08 is: 3,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.52 : 11,624.04 = 2,485.08 : x
  2. Step 2: Convert to fraction form
    7,751.52/11,624.04 = 2,485.08/x
  3. Step 3: Cross multiply
    7,751.52x = 11,624.04 × 2,485.08
  4. Step 4: Simplify right side
    7,751.52x = 28,886,669.32
  5. Step 5: Solve for x
    x = 28,886,669.32/7,751.52
  6. Step 6: Final answer
    x = 3,726.58

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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.