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Finding the Fourth Proportional to 62,909.36, 94,218.21 and 37,894.76

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Solution

The fourth proportional to 62,909.36, 94,218.21 and 37,894.76 is: 56,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,909.36 : 94,218.21 = 37,894.76 : x
  2. Step 2: Convert to fraction form
    62,909.36/94,218.21 = 37,894.76/x
  3. Step 3: Cross multiply
    62,909.36x = 94,218.21 × 37,894.76
  4. Step 4: Simplify right side
    62,909.36x = 3,570,375,984.49
  5. Step 5: Solve for x
    x = 3,570,375,984.49/62,909.36
  6. Step 6: Final answer
    x = 56,754.29

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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.