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Finding the Fourth Proportional to 8,727.50, 12,043.94 and 4,748.60

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Solution

The fourth proportional to 8,727.50, 12,043.94 and 4,748.60 is: 6,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.50 : 12,043.94 = 4,748.60 : x
  2. Step 2: Convert to fraction form
    8,727.50/12,043.94 = 4,748.60/x
  3. Step 3: Cross multiply
    8,727.50x = 12,043.94 × 4,748.60
  4. Step 4: Simplify right side
    8,727.50x = 57,191,829.74
  5. Step 5: Solve for x
    x = 57,191,829.74/8,727.50
  6. Step 6: Final answer
    x = 6,553.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.