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Finding the Fourth Proportional to 8,948.84, 13,420.56 and 3,753.56

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Solution

The fourth proportional to 8,948.84, 13,420.56 and 3,753.56 is: 5,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.84 : 13,420.56 = 3,753.56 : x
  2. Step 2: Convert to fraction form
    8,948.84/13,420.56 = 3,753.56/x
  3. Step 3: Cross multiply
    8,948.84x = 13,420.56 × 3,753.56
  4. Step 4: Simplify right side
    8,948.84x = 50,374,877.19
  5. Step 5: Solve for x
    x = 50,374,877.19/8,948.84
  6. Step 6: Final answer
    x = 5,629.21

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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.