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Finding the Fourth Proportional to 73,858.56, 101,928.48 and 40,324.32

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Solution

The fourth proportional to 73,858.56, 101,928.48 and 40,324.32 is: 55,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,858.56 : 101,928.48 = 40,324.32 : x
  2. Step 2: Convert to fraction form
    73,858.56/101,928.48 = 40,324.32/x
  3. Step 3: Cross multiply
    73,858.56x = 101,928.48 × 40,324.32
  4. Step 4: Simplify right side
    73,858.56x = 4,110,196,644.63
  5. Step 5: Solve for x
    x = 4,110,196,644.63/73,858.56
  6. Step 6: Final answer
    x = 55,649.56

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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.