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Finding the Fourth Proportional to 80,473.91, 111,028.32 and 46,477.94

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Solution

The fourth proportional to 80,473.91, 111,028.32 and 46,477.94 is: 64,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,473.91 : 111,028.32 = 46,477.94 : x
  2. Step 2: Convert to fraction form
    80,473.91/111,028.32 = 46,477.94/x
  3. Step 3: Cross multiply
    80,473.91x = 111,028.32 × 46,477.94
  4. Step 4: Simplify right side
    80,473.91x = 5,160,367,595.26
  5. Step 5: Solve for x
    x = 5,160,367,595.26/80,473.91
  6. Step 6: Final answer
    x = 64,124.73

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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.