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Finding the Fourth Proportional to 60,837.40, 91,255.02 and 31,237.84

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Solution

The fourth proportional to 60,837.40, 91,255.02 and 31,237.84 is: 46,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,837.40 : 91,255.02 = 31,237.84 : x
  2. Step 2: Convert to fraction form
    60,837.40/91,255.02 = 31,237.84/x
  3. Step 3: Cross multiply
    60,837.40x = 91,255.02 × 31,237.84
  4. Step 4: Simplify right side
    60,837.40x = 2,850,609,713.96
  5. Step 5: Solve for x
    x = 2,850,609,713.96/60,837.40
  6. Step 6: Final answer
    x = 46,856.21

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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.