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Finding the Fourth Proportional to 23,497.80, 35,246.70 and 19,998.60

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Solution

The fourth proportional to 23,497.80, 35,246.70 and 19,998.60 is: 29,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,497.80 : 35,246.70 = 19,998.60 : x
  2. Step 2: Convert to fraction form
    23,497.80/35,246.70 = 19,998.60/x
  3. Step 3: Cross multiply
    23,497.80x = 35,246.70 × 19,998.60
  4. Step 4: Simplify right side
    23,497.80x = 704,884,654.62
  5. Step 5: Solve for x
    x = 704,884,654.62/23,497.80
  6. Step 6: Final answer
    x = 29,997.90

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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.