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Finding the Fourth Proportional to 73,655.34, 101,640.75 and 41,820.06

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Solution

The fourth proportional to 73,655.34, 101,640.75 and 41,820.06 is: 57,709.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,655.34 : 101,640.75 = 41,820.06 : x
  2. Step 2: Convert to fraction form
    73,655.34/101,640.75 = 41,820.06/x
  3. Step 3: Cross multiply
    73,655.34x = 101,640.75 × 41,820.06
  4. Step 4: Simplify right side
    73,655.34x = 4,250,622,263.45
  5. Step 5: Solve for x
    x = 4,250,622,263.45/73,655.34
  6. Step 6: Final answer
    x = 57,709.63

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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.