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Finding the Fourth Proportional to 61,703.97, 92,592.96 and 26,643.60

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Solution

The fourth proportional to 61,703.97, 92,592.96 and 26,643.60 is: 39,981.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,703.97 : 92,592.96 = 26,643.60 : x
  2. Step 2: Convert to fraction form
    61,703.97/92,592.96 = 26,643.60/x
  3. Step 3: Cross multiply
    61,703.97x = 92,592.96 × 26,643.60
  4. Step 4: Simplify right side
    61,703.97x = 2,467,009,789.06
  5. Step 5: Solve for x
    x = 2,467,009,789.06/61,703.97
  6. Step 6: Final answer
    x = 39,981.38

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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.