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Finding the Fourth Proportional to 60,536.22, 90,804.41 and 28,938.86

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Solution

The fourth proportional to 60,536.22, 90,804.41 and 28,938.86 is: 43,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,536.22 : 90,804.41 = 28,938.86 : x
  2. Step 2: Convert to fraction form
    60,536.22/90,804.41 = 28,938.86/x
  3. Step 3: Cross multiply
    60,536.22x = 90,804.41 × 28,938.86
  4. Step 4: Simplify right side
    60,536.22x = 2,627,775,726.70
  5. Step 5: Solve for x
    x = 2,627,775,726.70/60,536.22
  6. Step 6: Final answer
    x = 43,408.32

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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.