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Finding the Fourth Proportional to 8,700.44, 13,049.04 and 4,020.26

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Solution

The fourth proportional to 8,700.44, 13,049.04 and 4,020.26 is: 6,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.44 : 13,049.04 = 4,020.26 : x
  2. Step 2: Convert to fraction form
    8,700.44/13,049.04 = 4,020.26/x
  3. Step 3: Cross multiply
    8,700.44x = 13,049.04 × 4,020.26
  4. Step 4: Simplify right side
    8,700.44x = 52,460,533.55
  5. Step 5: Solve for x
    x = 52,460,533.55/8,700.44
  6. Step 6: Final answer
    x = 6,029.64

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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.