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Finding the Fourth Proportional to 65,673.71, 98,524.97 and 21,304.95

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Solution

The fourth proportional to 65,673.71, 98,524.97 and 21,304.95 is: 31,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,673.71 : 98,524.97 = 21,304.95 : x
  2. Step 2: Convert to fraction form
    65,673.71/98,524.97 = 21,304.95/x
  3. Step 3: Cross multiply
    65,673.71x = 98,524.97 × 21,304.95
  4. Step 4: Simplify right side
    65,673.71x = 2,099,069,559.60
  5. Step 5: Solve for x
    x = 2,099,069,559.60/65,673.71
  6. Step 6: Final answer
    x = 31,962.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.