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Finding the Fourth Proportional to 65,961.84, 91,026.36 and 35,746.32

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Solution

The fourth proportional to 65,961.84, 91,026.36 and 35,746.32 is: 49,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,961.84 : 91,026.36 = 35,746.32 : x
  2. Step 2: Convert to fraction form
    65,961.84/91,026.36 = 35,746.32/x
  3. Step 3: Cross multiply
    65,961.84x = 91,026.36 × 35,746.32
  4. Step 4: Simplify right side
    65,961.84x = 3,253,857,393.00
  5. Step 5: Solve for x
    x = 3,253,857,393.00/65,961.84
  6. Step 6: Final answer
    x = 49,329.39

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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.