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Finding the Fourth Proportional to 52,375.75, 78,564.03 and 14,935.79

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Solution

The fourth proportional to 52,375.75, 78,564.03 and 14,935.79 is: 22,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,375.75 : 78,564.03 = 14,935.79 : x
  2. Step 2: Convert to fraction form
    52,375.75/78,564.03 = 14,935.79/x
  3. Step 3: Cross multiply
    52,375.75x = 78,564.03 × 14,935.79
  4. Step 4: Simplify right side
    52,375.75x = 1,173,415,853.63
  5. Step 5: Solve for x
    x = 1,173,415,853.63/52,375.75
  6. Step 6: Final answer
    x = 22,403.80

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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.