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Finding the Fourth Proportional to 62,000.80, 92,999.98 and 20,447.80

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Solution

The fourth proportional to 62,000.80, 92,999.98 and 20,447.80 is: 30,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,000.80 : 92,999.98 = 20,447.80 : x
  2. Step 2: Convert to fraction form
    62,000.80/92,999.98 = 20,447.80/x
  3. Step 3: Cross multiply
    62,000.80x = 92,999.98 × 20,447.80
  4. Step 4: Simplify right side
    62,000.80x = 1,901,644,991.04
  5. Step 5: Solve for x
    x = 1,901,644,991.04/62,000.80
  6. Step 6: Final answer
    x = 30,671.30

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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.