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Finding the Fourth Proportional to 61,134.92, 84,290.02 and 48,362.92

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Solution

The fourth proportional to 61,134.92, 84,290.02 and 48,362.92 is: 66,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,134.92 : 84,290.02 = 48,362.92 : x
  2. Step 2: Convert to fraction form
    61,134.92/84,290.02 = 48,362.92/x
  3. Step 3: Cross multiply
    61,134.92x = 84,290.02 × 48,362.92
  4. Step 4: Simplify right side
    61,134.92x = 4,076,511,494.06
  5. Step 5: Solve for x
    x = 4,076,511,494.06/61,134.92
  6. Step 6: Final answer
    x = 66,680.57

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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.