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Finding the Fourth Proportional to 7,500,907.80, 11,251,361.70 and 2,452,728.60

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Solution

The fourth proportional to 7,500,907.80, 11,251,361.70 and 2,452,728.60 is: 3,679,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500,907.80 : 11,251,361.70 = 2,452,728.60 : x
  2. Step 2: Convert to fraction form
    7,500,907.80/11,251,361.70 = 2,452,728.60/x
  3. Step 3: Cross multiply
    7,500,907.80x = 11,251,361.70 × 2,452,728.60
  4. Step 4: Simplify right side
    7,500,907.80x = 27,596,536,630,534.62
  5. Step 5: Solve for x
    x = 27,596,536,630,534.62/7,500,907.80
  6. Step 6: Final answer
    x = 3,679,092.90

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Similar ratio
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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.