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Finding the Fourth Proportional to 17,699.58, 26,549.37 and 7,836.21

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Solution

The fourth proportional to 17,699.58, 26,549.37 and 7,836.21 is: 11,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.58 : 26,549.37 = 7,836.21 : x
  2. Step 2: Convert to fraction form
    17,699.58/26,549.37 = 7,836.21/x
  3. Step 3: Cross multiply
    17,699.58x = 26,549.37 × 7,836.21
  4. Step 4: Simplify right side
    17,699.58x = 208,046,438.69
  5. Step 5: Solve for x
    x = 208,046,438.69/17,699.58
  6. Step 6: Final answer
    x = 11,754.32

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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.