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Finding the Fourth Proportional to 60,697.35, 83,726.26 and 47,247.30

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Solution

The fourth proportional to 60,697.35, 83,726.26 and 47,247.30 is: 65,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,697.35 : 83,726.26 = 47,247.30 : x
  2. Step 2: Convert to fraction form
    60,697.35/83,726.26 = 47,247.30/x
  3. Step 3: Cross multiply
    60,697.35x = 83,726.26 × 47,247.30
  4. Step 4: Simplify right side
    60,697.35x = 3,955,839,605.98
  5. Step 5: Solve for x
    x = 3,955,839,605.98/60,697.35
  6. Step 6: Final answer
    x = 65,173.18

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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.