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Finding the Fourth Proportional to 17,796.94, 24,560.19 and 11,520.25

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Solution

The fourth proportional to 17,796.94, 24,560.19 and 11,520.25 is: 15,898.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,796.94 : 24,560.19 = 11,520.25 : x
  2. Step 2: Convert to fraction form
    17,796.94/24,560.19 = 11,520.25/x
  3. Step 3: Cross multiply
    17,796.94x = 24,560.19 × 11,520.25
  4. Step 4: Simplify right side
    17,796.94x = 282,939,467.45
  5. Step 5: Solve for x
    x = 282,939,467.45/17,796.94
  6. Step 6: Final answer
    x = 15,898.21

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.