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Finding the Fourth Proportional to 63,292.70, 94,924.46 and 18,918.48

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Solution

The fourth proportional to 63,292.70, 94,924.46 and 18,918.48 is: 28,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,292.70 : 94,924.46 = 18,918.48 : x
  2. Step 2: Convert to fraction form
    63,292.70/94,924.46 = 18,918.48/x
  3. Step 3: Cross multiply
    63,292.70x = 94,924.46 × 18,918.48
  4. Step 4: Simplify right side
    63,292.70x = 1,795,826,498.02
  5. Step 5: Solve for x
    x = 1,795,826,498.02/63,292.70
  6. Step 6: Final answer
    x = 28,373.36

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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.