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Finding the Fourth Proportional to 61,481.80, 92,222.70 and 53,705.80

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Solution

The fourth proportional to 61,481.80, 92,222.70 and 53,705.80 is: 80,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,481.80 : 92,222.70 = 53,705.80 : x
  2. Step 2: Convert to fraction form
    61,481.80/92,222.70 = 53,705.80/x
  3. Step 3: Cross multiply
    61,481.80x = 92,222.70 × 53,705.80
  4. Step 4: Simplify right side
    61,481.80x = 4,952,893,881.66
  5. Step 5: Solve for x
    x = 4,952,893,881.66/61,481.80
  6. Step 6: Final answer
    x = 80,558.70

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1.5x scale

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.