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Finding the Fourth Proportional to 11,525.32, 17,287.98 and 9,469

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Solution

The fourth proportional to 11,525.32, 17,287.98 and 9,469 is: 14,203.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.32 : 17,287.98 = 9,469 : x
  2. Step 2: Convert to fraction form
    11,525.32/17,287.98 = 9,469/x
  3. Step 3: Cross multiply
    11,525.32x = 17,287.98 × 9,469
  4. Step 4: Simplify right side
    11,525.32x = 163,699,882.62
  5. Step 5: Solve for x
    x = 163,699,882.62/11,525.32
  6. Step 6: Final answer
    x = 14,203.50

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