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Finding the Fourth Proportional to 79,674.24, 109,944.24 and 45,682.32

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Solution

The fourth proportional to 79,674.24, 109,944.24 and 45,682.32 is: 63,038.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,674.24 : 109,944.24 = 45,682.32 : x
  2. Step 2: Convert to fraction form
    79,674.24/109,944.24 = 45,682.32/x
  3. Step 3: Cross multiply
    79,674.24x = 109,944.24 × 45,682.32
  4. Step 4: Simplify right side
    79,674.24x = 5,022,507,953.84
  5. Step 5: Solve for x
    x = 5,022,507,953.84/79,674.24
  6. Step 6: Final answer
    x = 63,038.04

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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.