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Finding the Fourth Proportional to 6,493.64, 9,740.25 and 2,796.80

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Solution

The fourth proportional to 6,493.64, 9,740.25 and 2,796.80 is: 4,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493.64 : 9,740.25 = 2,796.80 : x
  2. Step 2: Convert to fraction form
    6,493.64/9,740.25 = 2,796.80/x
  3. Step 3: Cross multiply
    6,493.64x = 9,740.25 × 2,796.80
  4. Step 4: Simplify right side
    6,493.64x = 27,241,482.50
  5. Step 5: Solve for x
    x = 27,241,482.50/6,493.64
  6. Step 6: Final answer
    x = 4,195.11

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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.