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Finding the Fourth Proportional to 58,680.90, 87,823.71 and 53,825.22

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Solution

The fourth proportional to 58,680.90, 87,823.71 and 53,825.22 is: 80,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,680.90 : 87,823.71 = 53,825.22 : x
  2. Step 2: Convert to fraction form
    58,680.90/87,823.71 = 53,825.22/x
  3. Step 3: Cross multiply
    58,680.90x = 87,823.71 × 53,825.22
  4. Step 4: Simplify right side
    58,680.90x = 4,727,130,511.97
  5. Step 5: Solve for x
    x = 4,727,130,511.97/58,680.90
  6. Step 6: Final answer
    x = 80,556.54

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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.