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Finding the Fourth Proportional to 53,589.61, 80,378.73 and 22,003

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Solution

The fourth proportional to 53,589.61, 80,378.73 and 22,003 is: 33,002.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,589.61 : 80,378.73 = 22,003 : x
  2. Step 2: Convert to fraction form
    53,589.61/80,378.73 = 22,003/x
  3. Step 3: Cross multiply
    53,589.61x = 80,378.73 × 22,003
  4. Step 4: Simplify right side
    53,589.61x = 1,768,573,196.19
  5. Step 5: Solve for x
    x = 1,768,573,196.19/53,589.61
  6. Step 6: Final answer
    x = 33,002.17

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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.