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Finding the Fourth Proportional to 52,968.88, 79,332.28 and 25,286.32

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Solution

The fourth proportional to 52,968.88, 79,332.28 and 25,286.32 is: 37,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,968.88 : 79,332.28 = 25,286.32 : x
  2. Step 2: Convert to fraction form
    52,968.88/79,332.28 = 25,286.32/x
  3. Step 3: Cross multiply
    52,968.88x = 79,332.28 × 25,286.32
  4. Step 4: Simplify right side
    52,968.88x = 2,006,021,418.41
  5. Step 5: Solve for x
    x = 2,006,021,418.41/52,968.88
  6. Step 6: Final answer
    x = 37,871.70

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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.