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Finding the Fourth Proportional to 19,842.67, 29,773.73 and 7,995.93

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Solution

The fourth proportional to 19,842.67, 29,773.73 and 7,995.93 is: 11,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.67 : 29,773.73 = 7,995.93 : x
  2. Step 2: Convert to fraction form
    19,842.67/29,773.73 = 7,995.93/x
  3. Step 3: Cross multiply
    19,842.67x = 29,773.73 × 7,995.93
  4. Step 4: Simplify right side
    19,842.67x = 238,068,472.07
  5. Step 5: Solve for x
    x = 238,068,472.07/19,842.67
  6. Step 6: Final answer
    x = 11,997.80

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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.