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Finding the Fourth Proportional to 14,526.65, 21,787.11 and 6,626.81

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Solution

The fourth proportional to 14,526.65, 21,787.11 and 6,626.81 is: 9,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,526.65 : 21,787.11 = 6,626.81 : x
  2. Step 2: Convert to fraction form
    14,526.65/21,787.11 = 6,626.81/x
  3. Step 3: Cross multiply
    14,526.65x = 21,787.11 × 6,626.81
  4. Step 4: Simplify right side
    14,526.65x = 144,379,092.89
  5. Step 5: Solve for x
    x = 144,379,092.89/14,526.65
  6. Step 6: Final answer
    x = 9,938.91

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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.