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Finding the Fourth Proportional to 43,120.99, 64,755.06 and 23,437.99

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Solution

The fourth proportional to 43,120.99, 64,755.06 and 23,437.99 is: 35,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,120.99 : 64,755.06 = 23,437.99 : x
  2. Step 2: Convert to fraction form
    43,120.99/64,755.06 = 23,437.99/x
  3. Step 3: Cross multiply
    43,120.99x = 64,755.06 × 23,437.99
  4. Step 4: Simplify right side
    43,120.99x = 1,517,728,448.73
  5. Step 5: Solve for x
    x = 1,517,728,448.73/43,120.99
  6. Step 6: Final answer
    x = 35,196.98

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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.