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Finding the Fourth Proportional to 19,063.88, 28,597.16 and 5,914.52

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Solution

The fourth proportional to 19,063.88, 28,597.16 and 5,914.52 is: 8,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,063.88 : 28,597.16 = 5,914.52 : x
  2. Step 2: Convert to fraction form
    19,063.88/28,597.16 = 5,914.52/x
  3. Step 3: Cross multiply
    19,063.88x = 28,597.16 × 5,914.52
  4. Step 4: Simplify right side
    19,063.88x = 169,138,474.76
  5. Step 5: Solve for x
    x = 169,138,474.76/19,063.88
  6. Step 6: Final answer
    x = 8,872.20

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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.