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Finding the Fourth Proportional to 30,593,907.80, 45,892,935.30 and 10,400,672.60

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Solution

The fourth proportional to 30,593,907.80, 45,892,935.30 and 10,400,672.60 is: 15,601,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593,907.80 : 45,892,935.30 = 10,400,672.60 : x
  2. Step 2: Convert to fraction form
    30,593,907.80/45,892,935.30 = 10,400,672.60/x
  3. Step 3: Cross multiply
    30,593,907.80x = 45,892,935.30 × 10,400,672.60
  4. Step 4: Simplify right side
    30,593,907.80x = 477,317,394,708,282.75
  5. Step 5: Solve for x
    x = 477,317,394,708,282.75/30,593,907.80
  6. Step 6: Final answer
    x = 15,601,713.84

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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.