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Finding the Fourth Proportional to 11,554.70, 17,248.46 and 10,153.44

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Solution

The fourth proportional to 11,554.70, 17,248.46 and 10,153.44 is: 15,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.70 : 17,248.46 = 10,153.44 : x
  2. Step 2: Convert to fraction form
    11,554.70/17,248.46 = 10,153.44/x
  3. Step 3: Cross multiply
    11,554.70x = 17,248.46 × 10,153.44
  4. Step 4: Simplify right side
    11,554.70x = 175,131,203.70
  5. Step 5: Solve for x
    x = 175,131,203.70/11,554.70
  6. Step 6: Final answer
    x = 15,156.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.