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Finding the Fourth Proportional to 46,756, 64,529.22 and 30,873.52

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Solution

The fourth proportional to 46,756, 64,529.22 and 30,873.52 is: 42,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,756 : 64,529.22 = 30,873.52 : x
  2. Step 2: Convert to fraction form
    46,756/64,529.22 = 30,873.52/x
  3. Step 3: Cross multiply
    46,756x = 64,529.22 × 30,873.52
  4. Step 4: Simplify right side
    46,756x = 1,992,244,164.25
  5. Step 5: Solve for x
    x = 1,992,244,164.25/46,756
  6. Step 6: Final answer
    x = 42,609.38

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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.