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Finding the Fourth Proportional to 80,429.54, 110,974.91 and 46,430.64

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Solution

The fourth proportional to 80,429.54, 110,974.91 and 46,430.64 is: 64,063.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,429.54 : 110,974.91 = 46,430.64 : x
  2. Step 2: Convert to fraction form
    80,429.54/110,974.91 = 46,430.64/x
  3. Step 3: Cross multiply
    80,429.54x = 110,974.91 × 46,430.64
  4. Step 4: Simplify right side
    80,429.54x = 5,152,635,863.09
  5. Step 5: Solve for x
    x = 5,152,635,863.09/80,429.54
  6. Step 6: Final answer
    x = 64,063.98

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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.