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Finding the Fourth Proportional to 72,983.79, 109,423.77 and 27,967.00

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Solution

The fourth proportional to 72,983.79, 109,423.77 and 27,967.00 is: 41,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,983.79 : 109,423.77 = 27,967.00 : x
  2. Step 2: Convert to fraction form
    72,983.79/109,423.77 = 27,967.00/x
  3. Step 3: Cross multiply
    72,983.79x = 109,423.77 × 27,967.00
  4. Step 4: Simplify right side
    72,983.79x = 3,060,254,302.03
  5. Step 5: Solve for x
    x = 3,060,254,302.03/72,983.79
  6. Step 6: Final answer
    x = 41,930.60

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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.