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Finding the Fourth Proportional to 80,400.46, 110,944.24 and 46,397.47

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Solution

The fourth proportional to 80,400.46, 110,944.24 and 46,397.47 is: 64,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,400.46 : 110,944.24 = 46,397.47 : x
  2. Step 2: Convert to fraction form
    80,400.46/110,944.24 = 46,397.47/x
  3. Step 3: Cross multiply
    80,400.46x = 110,944.24 × 46,397.47
  4. Step 4: Simplify right side
    80,400.46x = 5,147,532,047.07
  5. Step 5: Solve for x
    x = 5,147,532,047.07/80,400.46
  6. Step 6: Final answer
    x = 64,023.66

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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.