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Finding the Fourth Proportional to 61,937.63, 85,474.38 and 33,643.31

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Solution

The fourth proportional to 61,937.63, 85,474.38 and 33,643.31 is: 46,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,937.63 : 85,474.38 = 33,643.31 : x
  2. Step 2: Convert to fraction form
    61,937.63/85,474.38 = 33,643.31/x
  3. Step 3: Cross multiply
    61,937.63x = 85,474.38 × 33,643.31
  4. Step 4: Simplify right side
    61,937.63x = 2,875,641,063.40
  5. Step 5: Solve for x
    x = 2,875,641,063.40/61,937.63
  6. Step 6: Final answer
    x = 46,428.01

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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.