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Finding the Fourth Proportional to 80,409.58, 110,956.84 and 46,406.59

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Solution

The fourth proportional to 80,409.58, 110,956.84 and 46,406.59 is: 64,036.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,409.58 : 110,956.84 = 46,406.59 : x
  2. Step 2: Convert to fraction form
    80,409.58/110,956.84 = 46,406.59/x
  3. Step 3: Cross multiply
    80,409.58x = 110,956.84 × 46,406.59
  4. Step 4: Simplify right side
    80,409.58x = 5,149,128,581.58
  5. Step 5: Solve for x
    x = 5,149,128,581.58/80,409.58
  6. Step 6: Final answer
    x = 64,036.26

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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.