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Finding the Fourth Proportional to 66,523.34, 91,799.92 and 39,652

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Solution

The fourth proportional to 66,523.34, 91,799.92 and 39,652 is: 54,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,523.34 : 91,799.92 = 39,652 : x
  2. Step 2: Convert to fraction form
    66,523.34/91,799.92 = 39,652/x
  3. Step 3: Cross multiply
    66,523.34x = 91,799.92 × 39,652
  4. Step 4: Simplify right side
    66,523.34x = 3,640,050,427.84
  5. Step 5: Solve for x
    x = 3,640,050,427.84/66,523.34
  6. Step 6: Final answer
    x = 54,718.40

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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.