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Finding the Fourth Proportional to 60,268.86, 90,392.96 and 15,896.05

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Solution

The fourth proportional to 60,268.86, 90,392.96 and 15,896.05 is: 23,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,268.86 : 90,392.96 = 15,896.05 : x
  2. Step 2: Convert to fraction form
    60,268.86/90,392.96 = 15,896.05/x
  3. Step 3: Cross multiply
    60,268.86x = 90,392.96 × 15,896.05
  4. Step 4: Simplify right side
    60,268.86x = 1,436,890,825.57
  5. Step 5: Solve for x
    x = 1,436,890,825.57/60,268.86
  6. Step 6: Final answer
    x = 23,841.35

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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.