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Finding the Fourth Proportional to 19,644.68, 29,450.48 and 7,966.10

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Solution

The fourth proportional to 19,644.68, 29,450.48 and 7,966.10 is: 11,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.68 : 29,450.48 = 7,966.10 : x
  2. Step 2: Convert to fraction form
    19,644.68/29,450.48 = 7,966.10/x
  3. Step 3: Cross multiply
    19,644.68x = 29,450.48 × 7,966.10
  4. Step 4: Simplify right side
    19,644.68x = 234,605,281.65
  5. Step 5: Solve for x
    x = 234,605,281.65/19,644.68
  6. Step 6: Final answer
    x = 11,942.44

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1.5x scale

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.