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Finding the Fourth Proportional to 8,751.16, 13,124.82 and 2,509.48

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Solution

The fourth proportional to 8,751.16, 13,124.82 and 2,509.48 is: 3,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.16 : 13,124.82 = 2,509.48 : x
  2. Step 2: Convert to fraction form
    8,751.16/13,124.82 = 2,509.48/x
  3. Step 3: Cross multiply
    8,751.16x = 13,124.82 × 2,509.48
  4. Step 4: Simplify right side
    8,751.16x = 32,936,473.29
  5. Step 5: Solve for x
    x = 32,936,473.29/8,751.16
  6. Step 6: Final answer
    x = 3,763.67

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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.