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Finding the Fourth Proportional to 61,987.54, 93,020.91 and 22,540.90

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Solution

The fourth proportional to 61,987.54, 93,020.91 and 22,540.90 is: 33,825.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,987.54 : 93,020.91 = 22,540.90 : x
  2. Step 2: Convert to fraction form
    61,987.54/93,020.91 = 22,540.90/x
  3. Step 3: Cross multiply
    61,987.54x = 93,020.91 × 22,540.90
  4. Step 4: Simplify right side
    61,987.54x = 2,096,775,030.22
  5. Step 5: Solve for x
    x = 2,096,775,030.22/61,987.54
  6. Step 6: Final answer
    x = 33,825.75

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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.