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Finding the Fourth Proportional to 60,995.26, 91,470.13 and 21,002.95

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Solution

The fourth proportional to 60,995.26, 91,470.13 and 21,002.95 is: 31,496.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,995.26 : 91,470.13 = 21,002.95 : x
  2. Step 2: Convert to fraction form
    60,995.26/91,470.13 = 21,002.95/x
  3. Step 3: Cross multiply
    60,995.26x = 91,470.13 × 21,002.95
  4. Step 4: Simplify right side
    60,995.26x = 1,921,142,566.88
  5. Step 5: Solve for x
    x = 1,921,142,566.88/60,995.26
  6. Step 6: Final answer
    x = 31,496.59

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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.