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Finding the Fourth Proportional to 8,697.54, 13,047.30 and 3,153.48

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Solution

The fourth proportional to 8,697.54, 13,047.30 and 3,153.48 is: 4,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697.54 : 13,047.30 = 3,153.48 : x
  2. Step 2: Convert to fraction form
    8,697.54/13,047.30 = 3,153.48/x
  3. Step 3: Cross multiply
    8,697.54x = 13,047.30 × 3,153.48
  4. Step 4: Simplify right side
    8,697.54x = 41,144,399.60
  5. Step 5: Solve for x
    x = 41,144,399.60/8,697.54
  6. Step 6: Final answer
    x = 4,730.58

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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.