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Finding the Fourth Proportional to 59,859.44, 89,780.52 and 18,295.28

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Solution

The fourth proportional to 59,859.44, 89,780.52 and 18,295.28 is: 27,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,859.44 : 89,780.52 = 18,295.28 : x
  2. Step 2: Convert to fraction form
    59,859.44/89,780.52 = 18,295.28/x
  3. Step 3: Cross multiply
    59,859.44x = 89,780.52 × 18,295.28
  4. Step 4: Simplify right side
    59,859.44x = 1,642,559,751.95
  5. Step 5: Solve for x
    x = 1,642,559,751.95/59,859.44
  6. Step 6: Final answer
    x = 27,440.28

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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.