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Finding the Fourth Proportional to 61,867.41, 85,372.32 and 36,374.82

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Solution

The fourth proportional to 61,867.41, 85,372.32 and 36,374.82 is: 50,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,867.41 : 85,372.32 = 36,374.82 : x
  2. Step 2: Convert to fraction form
    61,867.41/85,372.32 = 36,374.82/x
  3. Step 3: Cross multiply
    61,867.41x = 85,372.32 × 36,374.82
  4. Step 4: Simplify right side
    61,867.41x = 3,105,402,772.98
  5. Step 5: Solve for x
    x = 3,105,402,772.98/61,867.41
  6. Step 6: Final answer
    x = 50,194.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.