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Finding the Fourth Proportional to 45,999.40, 68,999.10 and 32,002.60

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Solution

The fourth proportional to 45,999.40, 68,999.10 and 32,002.60 is: 48,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,999.40 : 68,999.10 = 32,002.60 : x
  2. Step 2: Convert to fraction form
    45,999.40/68,999.10 = 32,002.60/x
  3. Step 3: Cross multiply
    45,999.40x = 68,999.10 × 32,002.60
  4. Step 4: Simplify right side
    45,999.40x = 2,208,150,597.66
  5. Step 5: Solve for x
    x = 2,208,150,597.66/45,999.40
  6. Step 6: Final answer
    x = 48,003.90

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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.