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Finding the Fourth Proportional to 61,937.88, 85,474.73 and 33,643.59

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Solution

The fourth proportional to 61,937.88, 85,474.73 and 33,643.59 is: 46,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,937.88 : 85,474.73 = 33,643.59 : x
  2. Step 2: Convert to fraction form
    61,937.88/85,474.73 = 33,643.59/x
  3. Step 3: Cross multiply
    61,937.88x = 85,474.73 × 33,643.59
  4. Step 4: Simplify right side
    61,937.88x = 2,875,676,603.26
  5. Step 5: Solve for x
    x = 2,875,676,603.26/61,937.88
  6. Step 6: Final answer
    x = 46,428.40

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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.