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Finding the Fourth Proportional to 73,415.46, 101,313.36 and 39,881.46

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Solution

The fourth proportional to 73,415.46, 101,313.36 and 39,881.46 is: 55,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,415.46 : 101,313.36 = 39,881.46 : x
  2. Step 2: Convert to fraction form
    73,415.46/101,313.36 = 39,881.46/x
  3. Step 3: Cross multiply
    73,415.46x = 101,313.36 × 39,881.46
  4. Step 4: Simplify right side
    73,415.46x = 4,040,524,714.31
  5. Step 5: Solve for x
    x = 4,040,524,714.31/73,415.46
  6. Step 6: Final answer
    x = 55,036.43

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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.