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Finding the Fourth Proportional to 17,012.96, 25,510.70 and 7,644.96

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Solution

The fourth proportional to 17,012.96, 25,510.70 and 7,644.96 is: 11,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,012.96 : 25,510.70 = 7,644.96 : x
  2. Step 2: Convert to fraction form
    17,012.96/25,510.70 = 7,644.96/x
  3. Step 3: Cross multiply
    17,012.96x = 25,510.70 × 7,644.96
  4. Step 4: Simplify right side
    17,012.96x = 195,028,281.07
  5. Step 5: Solve for x
    x = 195,028,281.07/17,012.96
  6. Step 6: Final answer
    x = 11,463.51

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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.