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Finding the Fourth Proportional to 57,583.59, 86,214.06 and 43,499.31

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Solution

The fourth proportional to 57,583.59, 86,214.06 and 43,499.31 is: 65,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,583.59 : 86,214.06 = 43,499.31 : x
  2. Step 2: Convert to fraction form
    57,583.59/86,214.06 = 43,499.31/x
  3. Step 3: Cross multiply
    57,583.59x = 86,214.06 × 43,499.31
  4. Step 4: Simplify right side
    57,583.59x = 3,750,252,122.30
  5. Step 5: Solve for x
    x = 3,750,252,122.30/57,583.59
  6. Step 6: Final answer
    x = 65,127.10

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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.