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Finding the Fourth Proportional to 52,563.69, 78,802.97 and 35,881.71

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Solution

The fourth proportional to 52,563.69, 78,802.97 and 35,881.71 is: 53,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,563.69 : 78,802.97 = 35,881.71 : x
  2. Step 2: Convert to fraction form
    52,563.69/78,802.97 = 35,881.71/x
  3. Step 3: Cross multiply
    52,563.69x = 78,802.97 × 35,881.71
  4. Step 4: Simplify right side
    52,563.69x = 2,827,585,137.27
  5. Step 5: Solve for x
    x = 2,827,585,137.27/52,563.69
  6. Step 6: Final answer
    x = 53,793.51

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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.