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Finding the Fourth Proportional to 8,847.04, 13,242.48 and 4,939.60

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Solution

The fourth proportional to 8,847.04, 13,242.48 and 4,939.60 is: 7,393.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.04 : 13,242.48 = 4,939.60 : x
  2. Step 2: Convert to fraction form
    8,847.04/13,242.48 = 4,939.60/x
  3. Step 3: Cross multiply
    8,847.04x = 13,242.48 × 4,939.60
  4. Step 4: Simplify right side
    8,847.04x = 65,412,554.21
  5. Step 5: Solve for x
    x = 65,412,554.21/8,847.04
  6. Step 6: Final answer
    x = 7,393.72

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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.