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Finding the Fourth Proportional to 8,906.52, 13,358.60 and 3,975.02

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Solution

The fourth proportional to 8,906.52, 13,358.60 and 3,975.02 is: 5,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.52 : 13,358.60 = 3,975.02 : x
  2. Step 2: Convert to fraction form
    8,906.52/13,358.60 = 3,975.02/x
  3. Step 3: Cross multiply
    8,906.52x = 13,358.60 × 3,975.02
  4. Step 4: Simplify right side
    8,906.52x = 53,100,702.17
  5. Step 5: Solve for x
    x = 53,100,702.17/8,906.52
  6. Step 6: Final answer
    x = 5,962.00

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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.