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Finding the Fourth Proportional to 7,200.84, 10,801.38 and 2,006.64

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Solution

The fourth proportional to 7,200.84, 10,801.38 and 2,006.64 is: 3,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.84 : 10,801.38 = 2,006.64 : x
  2. Step 2: Convert to fraction form
    7,200.84/10,801.38 = 2,006.64/x
  3. Step 3: Cross multiply
    7,200.84x = 10,801.38 × 2,006.64
  4. Step 4: Simplify right side
    7,200.84x = 21,674,481.16
  5. Step 5: Solve for x
    x = 21,674,481.16/7,200.84
  6. Step 6: Final answer
    x = 3,009.99

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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.