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Finding the Fourth Proportional to 60,695.15, 90,883.22 and 48,785.72

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Solution

The fourth proportional to 60,695.15, 90,883.22 and 48,785.72 is: 73,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,695.15 : 90,883.22 = 48,785.72 : x
  2. Step 2: Convert to fraction form
    60,695.15/90,883.22 = 48,785.72/x
  3. Step 3: Cross multiply
    60,695.15x = 90,883.22 × 48,785.72
  4. Step 4: Simplify right side
    60,695.15x = 4,433,802,625.27
  5. Step 5: Solve for x
    x = 4,433,802,625.27/60,695.15
  6. Step 6: Final answer
    x = 73,050.37

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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.