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Finding the Fourth Proportional to 80,471.64, 111,047.58 and 44,663.16

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Solution

The fourth proportional to 80,471.64, 111,047.58 and 44,663.16 is: 61,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,471.64 : 111,047.58 = 44,663.16 : x
  2. Step 2: Convert to fraction form
    80,471.64/111,047.58 = 44,663.16/x
  3. Step 3: Cross multiply
    80,471.64x = 111,047.58 × 44,663.16
  4. Step 4: Simplify right side
    80,471.64x = 4,959,735,833.15
  5. Step 5: Solve for x
    x = 4,959,735,833.15/80,471.64
  6. Step 6: Final answer
    x = 61,633.34

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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.