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Finding the Fourth Proportional to 17,913.60, 26,871.00 and 8,052.91

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Solution

The fourth proportional to 17,913.60, 26,871.00 and 8,052.91 is: 12,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.60 : 26,871.00 = 8,052.91 : x
  2. Step 2: Convert to fraction form
    17,913.60/26,871.00 = 8,052.91/x
  3. Step 3: Cross multiply
    17,913.60x = 26,871.00 × 8,052.91
  4. Step 4: Simplify right side
    17,913.60x = 216,389,808.40
  5. Step 5: Solve for x
    x = 216,389,808.40/17,913.60
  6. Step 6: Final answer
    x = 12,079.64

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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.