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Finding the Fourth Proportional to 60,576.96, 90,883.97 and 31,015.71

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Solution

The fourth proportional to 60,576.96, 90,883.97 and 31,015.71 is: 46,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,576.96 : 90,883.97 = 31,015.71 : x
  2. Step 2: Convert to fraction form
    60,576.96/90,883.97 = 31,015.71/x
  3. Step 3: Cross multiply
    60,576.96x = 90,883.97 × 31,015.71
  4. Step 4: Simplify right side
    60,576.96x = 2,818,830,992.86
  5. Step 5: Solve for x
    x = 2,818,830,992.86/60,576.96
  6. Step 6: Final answer
    x = 46,533.05

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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.