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Finding the Fourth Proportional to 29,973.81, 41,369.90 and 17,235.90

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Solution

The fourth proportional to 29,973.81, 41,369.90 and 17,235.90 is: 23,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,973.81 : 41,369.90 = 17,235.90 : x
  2. Step 2: Convert to fraction form
    29,973.81/41,369.90 = 17,235.90/x
  3. Step 3: Cross multiply
    29,973.81x = 41,369.90 × 17,235.90
  4. Step 4: Simplify right side
    29,973.81x = 713,047,459.41
  5. Step 5: Solve for x
    x = 713,047,459.41/29,973.81
  6. Step 6: Final answer
    x = 23,789.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.