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Finding the Fourth Proportional to 7,200.06, 10,801.01 and 2,816.95

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Solution

The fourth proportional to 7,200.06, 10,801.01 and 2,816.95 is: 4,225.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,200.06 : 10,801.01 = 2,816.95 : x
  2. Step 2: Convert to fraction form
    7,200.06/10,801.01 = 2,816.95/x
  3. Step 3: Cross multiply
    7,200.06x = 10,801.01 × 2,816.95
  4. Step 4: Simplify right side
    7,200.06x = 30,425,905.12
  5. Step 5: Solve for x
    x = 30,425,905.12/7,200.06
  6. Step 6: Final answer
    x = 4,225.78

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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.