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Finding the Fourth Proportional to 61,853.66, 85,348.98 and 34,628.34

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Solution

The fourth proportional to 61,853.66, 85,348.98 and 34,628.34 is: 47,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,853.66 : 85,348.98 = 34,628.34 : x
  2. Step 2: Convert to fraction form
    61,853.66/85,348.98 = 34,628.34/x
  3. Step 3: Cross multiply
    61,853.66x = 85,348.98 × 34,628.34
  4. Step 4: Simplify right side
    61,853.66x = 2,955,493,498.09
  5. Step 5: Solve for x
    x = 2,955,493,498.09/61,853.66
  6. Step 6: Final answer
    x = 47,782.03

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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.