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Finding the Fourth Proportional to 46,371.97, 69,549.88 and 21,409.89

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Solution

The fourth proportional to 46,371.97, 69,549.88 and 21,409.89 is: 32,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,371.97 : 69,549.88 = 21,409.89 : x
  2. Step 2: Convert to fraction form
    46,371.97/69,549.88 = 21,409.89/x
  3. Step 3: Cross multiply
    46,371.97x = 69,549.88 × 21,409.89
  4. Step 4: Simplify right side
    46,371.97x = 1,489,055,280.31
  5. Step 5: Solve for x
    x = 1,489,055,280.31/46,371.97
  6. Step 6: Final answer
    x = 32,111.11

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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.