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Finding the Fourth Proportional to 80,408.58, 110,955.46 and 46,405.59

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Solution

The fourth proportional to 80,408.58, 110,955.46 and 46,405.59 is: 64,034.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,408.58 : 110,955.46 = 46,405.59 : x
  2. Step 2: Convert to fraction form
    80,408.58/110,955.46 = 46,405.59/x
  3. Step 3: Cross multiply
    80,408.58x = 110,955.46 × 46,405.59
  4. Step 4: Simplify right side
    80,408.58x = 5,148,953,585.02
  5. Step 5: Solve for x
    x = 5,148,953,585.02/80,408.58
  6. Step 6: Final answer
    x = 64,034.88

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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.