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Finding the Fourth Proportional to 14,044.65, 21,051.99 and 7,010.82

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Solution

The fourth proportional to 14,044.65, 21,051.99 and 7,010.82 is: 10,508.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.65 : 21,051.99 = 7,010.82 : x
  2. Step 2: Convert to fraction form
    14,044.65/21,051.99 = 7,010.82/x
  3. Step 3: Cross multiply
    14,044.65x = 21,051.99 × 7,010.82
  4. Step 4: Simplify right side
    14,044.65x = 147,591,712.53
  5. Step 5: Solve for x
    x = 147,591,712.53/14,044.65
  6. Step 6: Final answer
    x = 10,508.75

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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.