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Finding the Fourth Proportional to 46,625, 69,937.42 and 21,651.39

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Solution

The fourth proportional to 46,625, 69,937.42 and 21,651.39 is: 32,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,625 : 69,937.42 = 21,651.39 : x
  2. Step 2: Convert to fraction form
    46,625/69,937.42 = 21,651.39/x
  3. Step 3: Cross multiply
    46,625x = 69,937.42 × 21,651.39
  4. Step 4: Simplify right side
    46,625x = 1,514,242,356.01
  5. Step 5: Solve for x
    x = 1,514,242,356.01/46,625
  6. Step 6: Final answer
    x = 32,477.05

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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.