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Finding the Fourth Proportional to 73,052.99, 109,582.61 and 28,689.36

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Solution

The fourth proportional to 73,052.99, 109,582.61 and 28,689.36 is: 43,035.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,052.99 : 109,582.61 = 28,689.36 : x
  2. Step 2: Convert to fraction form
    73,052.99/109,582.61 = 28,689.36/x
  3. Step 3: Cross multiply
    73,052.99x = 109,582.61 × 28,689.36
  4. Step 4: Simplify right side
    73,052.99x = 3,143,854,393.65
  5. Step 5: Solve for x
    x = 3,143,854,393.65/73,052.99
  6. Step 6: Final answer
    x = 43,035.26

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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.