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Finding the Fourth Proportional to 11,673.84, 17,508.56 and 3,880.56

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Solution

The fourth proportional to 11,673.84, 17,508.56 and 3,880.56 is: 5,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,673.84 : 17,508.56 = 3,880.56 : x
  2. Step 2: Convert to fraction form
    11,673.84/17,508.56 = 3,880.56/x
  3. Step 3: Cross multiply
    11,673.84x = 17,508.56 × 3,880.56
  4. Step 4: Simplify right side
    11,673.84x = 67,943,017.59
  5. Step 5: Solve for x
    x = 67,943,017.59/11,673.84
  6. Step 6: Final answer
    x = 5,820.11

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1.5x scale

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.