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Finding the Fourth Proportional to 64,243.80, 96,310.28 and 30,918.02

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Solution

The fourth proportional to 64,243.80, 96,310.28 and 30,918.02 is: 46,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,243.80 : 96,310.28 = 30,918.02 : x
  2. Step 2: Convert to fraction form
    64,243.80/96,310.28 = 30,918.02/x
  3. Step 3: Cross multiply
    64,243.80x = 96,310.28 × 30,918.02
  4. Step 4: Simplify right side
    64,243.80x = 2,977,722,527.10
  5. Step 5: Solve for x
    x = 2,977,722,527.10/64,243.80
  6. Step 6: Final answer
    x = 46,350.35

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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.