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Finding the Fourth Proportional to 45,950.01, 68,828.13 and 21,011.02

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Solution

The fourth proportional to 45,950.01, 68,828.13 and 21,011.02 is: 31,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,950.01 : 68,828.13 = 21,011.02 : x
  2. Step 2: Convert to fraction form
    45,950.01/68,828.13 = 21,011.02/x
  3. Step 3: Cross multiply
    45,950.01x = 68,828.13 × 21,011.02
  4. Step 4: Simplify right side
    45,950.01x = 1,446,149,215.99
  5. Step 5: Solve for x
    x = 1,446,149,215.99/45,950.01
  6. Step 6: Final answer
    x = 31,472.23

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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.