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Finding the Fourth Proportional to 46,371.66, 69,464.73 and 21,377.52

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Solution

The fourth proportional to 46,371.66, 69,464.73 and 21,377.52 is: 32,023.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,371.66 : 69,464.73 = 21,377.52 : x
  2. Step 2: Convert to fraction form
    46,371.66/69,464.73 = 21,377.52/x
  3. Step 3: Cross multiply
    46,371.66x = 69,464.73 × 21,377.52
  4. Step 4: Simplify right side
    46,371.66x = 1,484,983,654.87
  5. Step 5: Solve for x
    x = 1,484,983,654.87/46,371.66
  6. Step 6: Final answer
    x = 32,023.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.