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Finding the Fourth Proportional to 62,997.20, 94,495.80 and 45,630.80

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Solution

The fourth proportional to 62,997.20, 94,495.80 and 45,630.80 is: 68,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,997.20 : 94,495.80 = 45,630.80 : x
  2. Step 2: Convert to fraction form
    62,997.20/94,495.80 = 45,630.80/x
  3. Step 3: Cross multiply
    62,997.20x = 94,495.80 × 45,630.80
  4. Step 4: Simplify right side
    62,997.20x = 4,311,918,950.64
  5. Step 5: Solve for x
    x = 4,311,918,950.64/62,997.20
  6. Step 6: Final answer
    x = 68,446.20

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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.