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Finding the Fourth Proportional to 61,937.31, 85,473.51 and 33,643.02

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Solution

The fourth proportional to 61,937.31, 85,473.51 and 33,643.02 is: 46,427.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,937.31 : 85,473.51 = 33,643.02 : x
  2. Step 2: Convert to fraction form
    61,937.31/85,473.51 = 33,643.02/x
  3. Step 3: Cross multiply
    61,937.31x = 85,473.51 × 33,643.02
  4. Step 4: Simplify right side
    61,937.31x = 2,875,587,006.40
  5. Step 5: Solve for x
    x = 2,875,587,006.40/61,937.31
  6. Step 6: Final answer
    x = 46,427.38

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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.