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Finding the Fourth Proportional to 61,827.64, 85,295.06 and 36,322.49

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Solution

The fourth proportional to 61,827.64, 85,295.06 and 36,322.49 is: 50,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,827.64 : 85,295.06 = 36,322.49 : x
  2. Step 2: Convert to fraction form
    61,827.64/85,295.06 = 36,322.49/x
  3. Step 3: Cross multiply
    61,827.64x = 85,295.06 × 36,322.49
  4. Step 4: Simplify right side
    61,827.64x = 3,098,129,131.73
  5. Step 5: Solve for x
    x = 3,098,129,131.73/61,827.64
  6. Step 6: Final answer
    x = 50,109.13

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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.