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Finding the Fourth Proportional to 60,543.93, 90,811.29 and 26,820.39

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Solution

The fourth proportional to 60,543.93, 90,811.29 and 26,820.39 is: 40,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,543.93 : 90,811.29 = 26,820.39 : x
  2. Step 2: Convert to fraction form
    60,543.93/90,811.29 = 26,820.39/x
  3. Step 3: Cross multiply
    60,543.93x = 90,811.29 × 26,820.39
  4. Step 4: Simplify right side
    60,543.93x = 2,435,594,214.20
  5. Step 5: Solve for x
    x = 2,435,594,214.20/60,543.93
  6. Step 6: Final answer
    x = 40,228.55

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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.