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Finding the Fourth Proportional to 59,712.79, 82,405.64 and 32,857.27

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Solution

The fourth proportional to 59,712.79, 82,405.64 and 32,857.27 is: 45,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,712.79 : 82,405.64 = 32,857.27 : x
  2. Step 2: Convert to fraction form
    59,712.79/82,405.64 = 32,857.27/x
  3. Step 3: Cross multiply
    59,712.79x = 82,405.64 × 32,857.27
  4. Step 4: Simplify right side
    59,712.79x = 2,707,624,363.00
  5. Step 5: Solve for x
    x = 2,707,624,363.00/59,712.79
  6. Step 6: Final answer
    x = 45,344.13

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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.