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Finding the Fourth Proportional to 19,337,527.80, 28,974,798.90 and 14,235,694.20

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Solution

The fourth proportional to 19,337,527.80, 28,974,798.90 and 14,235,694.20 is: 21,330,357.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337,527.80 : 28,974,798.90 = 14,235,694.20 : x
  2. Step 2: Convert to fraction form
    19,337,527.80/28,974,798.90 = 14,235,694.20/x
  3. Step 3: Cross multiply
    19,337,527.80x = 28,974,798.90 × 14,235,694.20
  4. Step 4: Simplify right side
    19,337,527.80x = 412,476,376,646,896.31
  5. Step 5: Solve for x
    x = 412,476,376,646,896.31/19,337,527.80
  6. Step 6: Final answer
    x = 21,330,357.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.