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Finding the Fourth Proportional to 39,997.44, 59,958.76 and 17,798.76

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Solution

The fourth proportional to 39,997.44, 59,958.76 and 17,798.76 is: 26,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,997.44 : 59,958.76 = 17,798.76 : x
  2. Step 2: Convert to fraction form
    39,997.44/59,958.76 = 17,798.76/x
  3. Step 3: Cross multiply
    39,997.44x = 59,958.76 × 17,798.76
  4. Step 4: Simplify right side
    39,997.44x = 1,067,191,579.14
  5. Step 5: Solve for x
    x = 1,067,191,579.14/39,997.44
  6. Step 6: Final answer
    x = 26,681.50

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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.