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Finding the Fourth Proportional to 11,552.70, 17,245.48 and 10,151.44

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Solution

The fourth proportional to 11,552.70, 17,245.48 and 10,151.44 is: 15,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.70 : 17,245.48 = 10,151.44 : x
  2. Step 2: Convert to fraction form
    11,552.70/17,245.48 = 10,151.44/x
  3. Step 3: Cross multiply
    11,552.70x = 17,245.48 × 10,151.44
  4. Step 4: Simplify right side
    11,552.70x = 175,066,455.49
  5. Step 5: Solve for x
    x = 175,066,455.49/11,552.70
  6. Step 6: Final answer
    x = 15,153.73

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Half scale
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Double scale
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Similar ratio
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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.