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Finding the Fourth Proportional to 73,655.82, 101,640.24 and 43,434.21

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Solution

The fourth proportional to 73,655.82, 101,640.24 and 43,434.21 is: 59,936.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,655.82 : 101,640.24 = 43,434.21 : x
  2. Step 2: Convert to fraction form
    73,655.82/101,640.24 = 43,434.21/x
  3. Step 3: Cross multiply
    73,655.82x = 101,640.24 × 43,434.21
  4. Step 4: Simplify right side
    73,655.82x = 4,414,663,528.61
  5. Step 5: Solve for x
    x = 4,414,663,528.61/73,655.82
  6. Step 6: Final answer
    x = 59,936.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.