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Finding the Fourth Proportional to 8,748.76, 13,114.02 and 3,817.08

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Solution

The fourth proportional to 8,748.76, 13,114.02 and 3,817.08 is: 5,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.76 : 13,114.02 = 3,817.08 : x
  2. Step 2: Convert to fraction form
    8,748.76/13,114.02 = 3,817.08/x
  3. Step 3: Cross multiply
    8,748.76x = 13,114.02 × 3,817.08
  4. Step 4: Simplify right side
    8,748.76x = 50,057,263.46
  5. Step 5: Solve for x
    x = 50,057,263.46/8,748.76
  6. Step 6: Final answer
    x = 5,721.64

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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.