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Finding the Fourth Proportional to 46,331, 69,450.30 and 18,233.48

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Solution

The fourth proportional to 46,331, 69,450.30 and 18,233.48 is: 27,332.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,331 : 69,450.30 = 18,233.48 : x
  2. Step 2: Convert to fraction form
    46,331/69,450.30 = 18,233.48/x
  3. Step 3: Cross multiply
    46,331x = 69,450.30 × 18,233.48
  4. Step 4: Simplify right side
    46,331x = 1,266,320,656.04
  5. Step 5: Solve for x
    x = 1,266,320,656.04/46,331
  6. Step 6: Final answer
    x = 27,332.04

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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.