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Finding the Fourth Proportional to 37,272, 55,909.68 and 13,892.64

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Solution

The fourth proportional to 37,272, 55,909.68 and 13,892.64 is: 20,839.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,272 : 55,909.68 = 13,892.64 : x
  2. Step 2: Convert to fraction form
    37,272/55,909.68 = 13,892.64/x
  3. Step 3: Cross multiply
    37,272x = 55,909.68 × 13,892.64
  4. Step 4: Simplify right side
    37,272x = 776,733,056.76
  5. Step 5: Solve for x
    x = 776,733,056.76/37,272
  6. Step 6: Final answer
    x = 20,839.59

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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.