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Finding the Fourth Proportional to 29,842,991.80, 44,764,487.70 and 20,773,065.40

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Solution

The fourth proportional to 29,842,991.80, 44,764,487.70 and 20,773,065.40 is: 31,159,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,842,991.80 : 44,764,487.70 = 20,773,065.40 : x
  2. Step 2: Convert to fraction form
    29,842,991.80/44,764,487.70 = 20,773,065.40/x
  3. Step 3: Cross multiply
    29,842,991.80x = 44,764,487.70 × 20,773,065.40
  4. Step 4: Simplify right side
    29,842,991.80x = 929,895,630,589,595.62
  5. Step 5: Solve for x
    x = 929,895,630,589,595.62/29,842,991.80
  6. Step 6: Final answer
    x = 31,159,598.10

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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.