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Finding the Fourth Proportional to 68,589.34, 94,610.91 and 47,069.26

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Solution

The fourth proportional to 68,589.34, 94,610.91 and 47,069.26 is: 64,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,589.34 : 94,610.91 = 47,069.26 : x
  2. Step 2: Convert to fraction form
    68,589.34/94,610.91 = 47,069.26/x
  3. Step 3: Cross multiply
    68,589.34x = 94,610.91 × 47,069.26
  4. Step 4: Simplify right side
    68,589.34x = 4,453,265,521.63
  5. Step 5: Solve for x
    x = 4,453,265,521.63/68,589.34
  6. Step 6: Final answer
    x = 64,926.50

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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.