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Finding the Fourth Proportional to 8,943.30, 12,335.94 and 7,051.92

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Solution

The fourth proportional to 8,943.30, 12,335.94 and 7,051.92 is: 9,727.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.30 : 12,335.94 = 7,051.92 : x
  2. Step 2: Convert to fraction form
    8,943.30/12,335.94 = 7,051.92/x
  3. Step 3: Cross multiply
    8,943.30x = 12,335.94 × 7,051.92
  4. Step 4: Simplify right side
    8,943.30x = 86,992,062.00
  5. Step 5: Solve for x
    x = 86,992,062.00/8,943.30
  6. Step 6: Final answer
    x = 9,727.07

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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.