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Finding the Fourth Proportional to 14,347.36, 19,797.62 and 7,973.92

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Solution

The fourth proportional to 14,347.36, 19,797.62 and 7,973.92 is: 11,003.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.36 : 19,797.62 = 7,973.92 : x
  2. Step 2: Convert to fraction form
    14,347.36/19,797.62 = 7,973.92/x
  3. Step 3: Cross multiply
    14,347.36x = 19,797.62 × 7,973.92
  4. Step 4: Simplify right side
    14,347.36x = 157,864,638.07
  5. Step 5: Solve for x
    x = 157,864,638.07/14,347.36
  6. Step 6: Final answer
    x = 11,003.04

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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.