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Finding the Fourth Proportional to 66,539.36, 99,737.96 and 33,193.68

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Solution

The fourth proportional to 66,539.36, 99,737.96 and 33,193.68 is: 49,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,539.36 : 99,737.96 = 33,193.68 : x
  2. Step 2: Convert to fraction form
    66,539.36/99,737.96 = 33,193.68/x
  3. Step 3: Cross multiply
    66,539.36x = 99,737.96 × 33,193.68
  4. Step 4: Simplify right side
    66,539.36x = 3,310,669,762.12
  5. Step 5: Solve for x
    x = 3,310,669,762.12/66,539.36
  6. Step 6: Final answer
    x = 49,755.06

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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.