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Finding the Fourth Proportional to 60,632.88, 90,893.40 and 55,651.38

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Solution

The fourth proportional to 60,632.88, 90,893.40 and 55,651.38 is: 83,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,632.88 : 90,893.40 = 55,651.38 : x
  2. Step 2: Convert to fraction form
    60,632.88/90,893.40 = 55,651.38/x
  3. Step 3: Cross multiply
    60,632.88x = 90,893.40 × 55,651.38
  4. Step 4: Simplify right side
    60,632.88x = 5,058,343,142.89
  5. Step 5: Solve for x
    x = 5,058,343,142.89/60,632.88
  6. Step 6: Final answer
    x = 83,425.74

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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.