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Finding the Fourth Proportional to 6,887.84, 10,352.41 and 6,742.04

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Solution

The fourth proportional to 6,887.84, 10,352.41 and 6,742.04 is: 10,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.84 : 10,352.41 = 6,742.04 : x
  2. Step 2: Convert to fraction form
    6,887.84/10,352.41 = 6,742.04/x
  3. Step 3: Cross multiply
    6,887.84x = 10,352.41 × 6,742.04
  4. Step 4: Simplify right side
    6,887.84x = 69,796,293.70
  5. Step 5: Solve for x
    x = 69,796,293.70/6,887.84
  6. Step 6: Final answer
    x = 10,133.27

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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.