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Finding the Fourth Proportional to 61,534.64, 84,917.82 and 33,240.32

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Solution

The fourth proportional to 61,534.64, 84,917.82 and 33,240.32 is: 45,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,534.64 : 84,917.82 = 33,240.32 : x
  2. Step 2: Convert to fraction form
    61,534.64/84,917.82 = 33,240.32/x
  3. Step 3: Cross multiply
    61,534.64x = 84,917.82 × 33,240.32
  4. Step 4: Simplify right side
    61,534.64x = 2,822,695,510.50
  5. Step 5: Solve for x
    x = 2,822,695,510.50/61,534.64
  6. Step 6: Final answer
    x = 45,871.65

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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.