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Finding the Fourth Proportional to 17,390.82, 26,086.22 and 7,000.14

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Solution

The fourth proportional to 17,390.82, 26,086.22 and 7,000.14 is: 10,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.82 : 26,086.22 = 7,000.14 : x
  2. Step 2: Convert to fraction form
    17,390.82/26,086.22 = 7,000.14/x
  3. Step 3: Cross multiply
    17,390.82x = 26,086.22 × 7,000.14
  4. Step 4: Simplify right side
    17,390.82x = 182,607,192.07
  5. Step 5: Solve for x
    x = 182,607,192.07/17,390.82
  6. Step 6: Final answer
    x = 10,500.21

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