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Finding the Fourth Proportional to 52,473.81, 78,708.79 and 15,033.86

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Solution

The fourth proportional to 52,473.81, 78,708.79 and 15,033.86 is: 22,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,473.81 : 78,708.79 = 15,033.86 : x
  2. Step 2: Convert to fraction form
    52,473.81/78,708.79 = 15,033.86/x
  3. Step 3: Cross multiply
    52,473.81x = 78,708.79 × 15,033.86
  4. Step 4: Simplify right side
    52,473.81x = 1,183,296,929.63
  5. Step 5: Solve for x
    x = 1,183,296,929.63/52,473.81
  6. Step 6: Final answer
    x = 22,550.24

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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.